Check valve deals(Disclaimer)
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🏅 176 check valves in price comparison
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💶 Current offers and discounts
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🕝 Last updated on 08.10.2026
26% discount
10 Pcs Non-Return Check Valve, Aquarium Air Pump 1 Way Check Valve Waterstop Aquarium Air Pump Accessory for Fish Tank Pond (5mm)
??Easy to use??When the position of the air pump is lower than the water surface, prevent the backflow of water from damaging the front air pump or other equipment.
£ 7.53
£ 10.24
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7% discount
M METERXITY 2-Pack CO2 Check Valve Aquarium Stainless Steel | One Way Check Valve Non-Return, for Aquarium Co2 System Diffuser, High Power Air Pumps, Fish Tank
[Multipurpose Use] - These aquarium check valve are designed for CO2 supply systems in aquariums and fish tanks.
£ 8.99
£ 9.63
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DONGKER CO2 Check Valve,6mm Aquarium Way Check Valves Stainless Steel Anti-Backflow Non-Return for Fish Tank Aquarium Air Pump
【Material】Made of Stainless Steel, Fine Workmanship, Strong and sturdy 【Non-return Design】Prevent Gas or Liquid Backflow When Pressure Changes, Prevent CO2 Equipment Damage 【Adaptable】Good Airtightness, No Leakage, Two-way Quick Plug and No Leakage, Trachea and Trachea Connected Or Trachea and Thinner 【Use】Suitable for Trachea With Inner Diameter 4mm and Outer Diameter 6mm, Only for CO2 Refiner (not Applicable For Air Refiner)
£ 8.99
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M METERXITY CO2 Check Valve Aquarium, One Way Stainless Steel Check Valve for Aquarium Co2 System Diffuser/High Power Air Pumps/Fish Tank, Non-Return Aquarium Air Valve
[Multipurpose Use] - These aquarium check valve are designed for CO2 supply systems in aquariums and fish tanks.
£ 5.99
free delivery
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Finest-Filters Aquarium Air Pump Accessory Kit (Airline, Air Stone and Check Non Return Valve) (2m Airline 1 x Check Valve 1 x Air Stone)
You are purchasing an aquarium air pump accessory kit.
£ 5.99
free delivery
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M METERXITY Aquarium Check Valves 1 Way Non-Return Stainless Steel Aquarium Air Valve W 2 Plastic Check Valves & 2 Suction Cups for Aquarium Co2 System/Fish Tank/High Pressure Systems
[Multipurpose Use] - These check valve aquarium are designed in aquariums and fish tanks.
£ 6.99
free delivery
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Tiardey 2Pcs Check Valve Stainless Steel One Way Non-Return Check Valve for Aquarium Co2 System Aquarium CO2 Diffuser
Single check valve is lightweight, portable and space saving - It is easy to install, requires no additional tools and can be attached to any place you like in seconds.
£ 6.99
free delivery
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7% discount
![M METERXITY 10-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16 Airline Tubing Fish Tank [Blue]](https://cdn.netzshopping.de/productimages/1/8/H/B0F2N13H81.jpg)
M METERXITY 10-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16" Airline Tubing Fish Tank [Blue]
[Multipurpose Use] - Plastic one way non-return check valve suits most aquariums, fish tank scenes, and fishing tackle shops, especially those equipped with 3/16" air tubes.
£ 5.49
£ 5.89
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Nikou Check Valve, 2Pcs Stainless Steel One Way Air Valve for Anti-Backflow Non-Return Air CO2 Line Tubing Regulator Diffuser in Aquarium System Fish Tank Accessories
Keep Service Life: The Pneumatic Check Valve can prevent the aquarium from water flowing back, which is caused by the decrease, and keep the function of carbon dioxide bottle One Way Flow: When used in the Ozone generator, air check valve can prevent the Ozone from flowing back to the air pump and eroding the propeller Function Well: Aquarium non return check valve can protect the power head from the water flowing back which is caused by power cut Easy Operation: Single check valve is easy to install, requires no additional tools and can be attached to any place you like in seconds Application: Stainless Steel One Way Check Valves are suitable for CO2 supply system in fish tank, aquarium and air pump system
£ 7.50
free delivery
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Pawfly 7.5 M Black Airline Tubing Standard Aquarium Air Pump Accessories Set with Suction Cups Connectors and Check Valves
Pawfly 7.5 M Black Airline Tubing Standard Aquarium Air Pump Accessories Set with Suction Cups Connectors and Check Valves
£ 8.99
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![M METERXITY 10-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16 Airline Tubing Fish Tank [Black White]](https://cdn.netzshopping.de/productimages/2/T/R/B0F2N1KRT2.jpg)
M METERXITY 10-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16" Airline Tubing Fish Tank [Black White]
[Multipurpose Use] - Plastic one way non-return check valve suits most aquariums, fish tank scenes, and fishing tackle shops, especially those equipped with 3/16" air tubes.
£ 4.79
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DONGKER 2 PCS CO2 1 Way Check Valves,CO2 Stainless Steel Non-Return Check Valve for CO2 Line 4/6mm Tubing Regulator Diffuser Aquarium CO2 Systems
Stainless Steel Material:High Pressure Resistance, Acid and Alkali Resistance Small and Exquisite, sturdy, 1-way Check Valve Can Prevent Water From Flowing Backwards High Performance: 1-way Air Valve to Prevent the Reverse Flow of the Water Plant Tank Due to the Reduction of CO2 Pressure, Which Will Affect the Function and Service Life of the Cylinder Installation Is Simple: just Follow the Direction Indicated By the Arrow to Connect With the Trachea,The Check Valve Can Ensure that the Water and Air Circulations Are Consistent and Going in the Right Direction Without Any Backflow For CO2 Systems Only: the Total Length Is About 4CM, Suitable for CO2 Supply Systems,suitable for Standard Aquarium CO2 Trachea (trachea Inner Diameter 4mm, Outer Diameter 6mm)
£ 9.99
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sourcing map Plastic Aquarium Non-Return Air Pump Check Valve, 5 Pieces
Product Name : Aquarium Check Valve;Use for : Fish Tank , Aquarium Tip Outside Diameter : ~5mm;Total Size : ~3.4 x 1.8cm / 1.3 x 0.7"(L*D) Material : Plastic;Color : Blue Weight : 10g Package Content : 5pcs x Aquarium Check Valve
£ 7.49
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M METERXITY 6-Set Aquarium Air Valve, for 3/16" Airline Tubing Blue | Non-Return PVC Control Valves with Check Valves, for Fish Tanks, Aquaculture, Regulators, Air Pump Adjustable
[Multipurpose Use] - The air control valve is mainly used as a tool to control oxygen in fish tanks, aquariums, aquaculture, gardening or drip irrigation systems, aquarium pipes, landscape aquariums, etc., to achieve precise gas flow control [Durable Aquarium Air Valve] - The aquarium control valve is made of PVC, which is an excellent electrical insulating material and safe to use.
£ 5.49
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DXBNEZBC 8 Pcs Aquarium Check Valves One Way Non-return Protector Air Pump, Aquarium Air Pump Check Valves for Airline Tubing Fish Tank (Black)
【Aquarium Check Valves – One Way Non-return Protector for Air Pumps】 Specially designed for oxygen air pumps, these check valves prevent water from flowing back into your equipment, protecting your system during power outages or temporary pump stops.
£ 8.50
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AquaOne Airline Check Valve/Non-Return Valve (2pk) for Aquarium Air Line Safety
Non-Return Valve Easy and convenient to install so your aquarium can perform at its best!
£ 5.95
£ 6.12
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Plastic Check Valve, 20 Pcs One Way Check Valve, Plastic Water Stops Check Valve for 4mm Hose Non Return Fish Tanks Air Pump Check Valves Aquarium Accessories Blue
【Stable Performance】After adding the valve, the air pump can be placed above or below the water surface, there is no danger of water backflowing when the air pump is powered off and stops working, it is an indispensable accessory for the air pump to prevent the water in the fish tank from flowing back into the air pump and burning the air pump to avoid danger. 【Wide Range of Use】 When the air pump is placed below the water surface, it can prevent water backflow and damage the former air pump or other products and equipment, the check valve can be used in fish tanks, food and beverage, equipment, chemical industry, very practical. 【Product Size】 Set contains 20 check valves, each check valve length is about 3.5cm / 1.4in, for the diameter of 4mm / 0.2in pipe, can repair or extend the standard air hose, simple installation method, safe and reliable, suitable for use in aquarium fish tanks. 【Durable Material】The one way check valve is made of high quality plastic material, wear-resistant and durable, durable and stable performance, with strong durable performance, can effectively prevent water from entering the air pump. 【High-Quality After-Sales Service】 Your satisfaction is our greatest pursuit, we are committed to providing customers with a pleasant shopping experience and satisfactory after-sales service.
£ 8.09
£ 8.30
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Uniclife Aquarium Airline Tubing Standard Air Pump Accessories Set with Air Stone Cylinders & Dics Connectors Suction Cups and Check Valves for Fish Tank Aeration Setup
All In 1 Package: No Worry About Mismatching - Complete air pump accessories of airline tubing, air stones, connectors, suction cups and check valves for basic aquarium aeration setup.
£ 6.99
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5% discount
![M METERXITY 10-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16 Airline Tubing Fish Tank [Clear Black]](https://cdn.netzshopping.de/productimages/7/J/B/B0F2N2NBJ7.jpg)
M METERXITY 10-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16" Airline Tubing Fish Tank [Clear Black]
[Multipurpose Use] - Plastic one way non-return check valve suits most aquariums, fish tank scenes, and fishing tackle shops, especially those equipped with 3/16" air tubes.
£ 5.09
£ 5.34
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Aquarium Air Flow Contro with Air Stones,8m Airline Tubing Check Valves,Suction Cups and Connectors,4-Way Air Valve Distributors,Switch Pump Valve Regulator,Fish TankStandard Accessories
【Everything in One Package】 1 x 4-Way Air Pump Accessories, 8m Silicone Hose, 4 x Check Valves, 10 x Suction Cup Clips, 10 x I-Connectors and 10 x T-Connectors, 4 Air Stones.
£ 10.99
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SkyPOOU Aquarium Check Valves For Common Air Pumps One-Way Non-Return Valves Diameter 3mm/4mm/6mm Options Non Return
SkyPOOU
£ 5.97
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Finest-Filters Aquarium Air Pump Accessory Kit (Airline, Air Stone and Check Non Return Valve) (3m Airline 2 x Check Valves 2 x Air Stones)
You are purchasing an aquarium air pump accessory kit.
£ 6.99
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Air Pump Check Valves Aquarium One Way Check Valves CO2 Stainless Steel Non-Return for Aquarium Air Pump Fish Tank
Pssopp
£ 7.78
free delivery
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15% discount
![M METERXITY 24-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16 Airline Tubing Fish Tank [Black White]](https://cdn.netzshopping.de/productimages/M/6/R/B0F2MYTR6M.jpg)
M METERXITY 24-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16" Airline Tubing Fish Tank [Black White]
[Multipurpose Use] - Plastic one way non-return check valve suits most aquariums, fish tank scenes, and fishing tackle shops, especially those equipped with 3/16" air tubes.
£ 5.99
£ 7.03
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NOOYNOEO 8pcs Aquarium Check Valves, Aquarium Air Pump Check Valves, Red Clear One Way Non-Return Check Valve, AquariumAir Pump Accessories for Airline Tubing Fish Tank(4mm)
NOOYNOEO
£ 4.96
free delivery
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![M METERXITY 24-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16 Airline Tubing Fish Tank [Clear Red]](https://cdn.netzshopping.de/productimages/8/V/7/B0F2N1G7V8.jpg)
M METERXITY 24-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16" Airline Tubing Fish Tank [Clear Red]
[Multipurpose Use] - Plastic one way non-return check valve suits most aquariums, fish tank scenes, and fishing tackle shops, especially those equipped with 3/16" air tubes.
£ 9.69
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Ctyjia 2 Pcs Aquarium Check Valve, Red One Way Non-Return Valve | Plastic Aquarium Backflow Prevention Valve, Stops Water Siphoning into the Pump, for Fish Tank Air Pumps
Ideal Pump Protectors: Ctyjia check valve effectively prevents water backflow into the pump body during equipment power failure or shutdown, thereby avoiding device damage and extending the service life of the oxygen pump.
£ 5.99
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MiOYOOW Check Valve, Anti-High-Pressure Fish Tank Air Pump Valves for Anti-Backflow Return Air CO2 Line 4 mm Hose Regulator Diffuser
【Avoid Backflow】: 1-way non-return valve with anti-leakage and anti-backflow function avoids water from flowing back into the aquarium CO2 system. 【High Quality Aluminium Alloy】: Check valve's main body is made of aluminium alloy with CNC machining process, and the surface is sandblasted and anodized, which is not easy to rust. 【2-Way Locking Design】: The locks on both ends of the CO2 non-return valve fix the CO2 air tube to prevent it from falling off at high pressure. 【Compact Appearance】: Fish tank air pump valves length is about 3.7cm, outer diameter is about 1.5cm. 【Simple Installation】: Connect the gas tube according to the arrow pointing to the direction of gas flow, 1 end connects to the inlet and the other end connects to the outlet tube.
£ 10.99
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5% discount
2Pcs Red Backflow Prevention Valve Aquarium Check Bubble Air Pump Valve for Fish Tank Aquarium Air Pump Accessories，Aquarium Pumps and Filters
BACKFLOW PREVENTION: Dual-directional check valve system prevents water from flowing back into air pump, protecting equipment from damage
£ 5.88
£ 6.18
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10Pcs Aquarium Air Pump Non-return Check Valves, Plastic One Way Valve for Fish Tank and Pond, Air Pump Accessories, White
【Connect with 4mm Pipe】 10pcs air pump valves, which allow a good amount of air through and prevent aquarium water back filling your air pump, compatible with standard aquarium air pipe of 4mm inner diameter。 【Application】This check value can be used to prevent water backflow from damaging front-end air pumps or other product equipment.
£ 7.90
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Aquarium Air Flow Control 24 in 1 Kit, including 3-Way Air Valve Distributors, 5M Airline Tube Hose, 3 Non-return Check Valves, 3 Air Bubble Stone, 10 Suction Cups & 6 Connectors for Fish Tank Pumps
Air pump valve 24 in 1 kit: 1 x 3-way air flow pump splitter control valve, 5 m standard airline tubing, 3 x non-return check valves, 10 x suction cup clips, 3 x Air stones, 2 x L-connectors, 2 x I-connectors and 2 x T-connectors, complete tools match well with your fish tank.
£ 8.39
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48 Piece Air Pump Accessories Aquarium Accessories incl. 6M Transparent Silicone Hose Oxygen Stone Check Valves Suction Cups Regulator Valve and Y/T/L/I Shape Connector Standard Aquarium Accessories
【High quality material】: The 48-in-1aquarium accessory set for aquarium airflow control is made of high quality material, which is robust and durable. The air pump accessory set is easy to install and use.
£ 10.99
free delivery
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![M METERXITY 10-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16 Airline Tubing Fish Tank [Clear White]](https://cdn.netzshopping.de/productimages/F/D/G/B0F2N2QGDF.jpg)
M METERXITY 10-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16" Airline Tubing Fish Tank [Clear White]
[Multipurpose Use] - Plastic one way non-return check valve suits most aquariums, fish tank scenes, and fishing tackle shops, especially those equipped with 3/16" air tubes.
£ 5.09
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CTRICALVER air Tube Connector 40 Pieces Set Y Type T Type L Type I Type Fitting Branch Connection 4 Types Aquarium Plastic Clear Oxygen Tube Outer Diameter 5mm Inner Diameter 4mm (5m)
Air pump accessories: 1 x 5-way air flow pump splitter control valve, Oxygen tube 5m/ ID 4mm, 5 x check valves, 10 x suction cup clips, 5x Air Stone,complete tools match well with your fish tank.
£ 12.09
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Blue Aquaristic 7780035 Co2 Glass Check Valve
Prevents water from circulating through the CO2 tube Individually made by glass craftsmen Elegant does not break the aesthetics of the aquarium 81 x 12 x 12 mm
£ 8.03
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31 Pcs Air Pump Accessories for Fish Tank, 5M Airline Tubing, 3 Air Stone Cylinder, 3 Check Valves, 15 Airline Tube Holders/Clamps, 3 Aquarium Air Valve, 6 Connectors for Aquarium Pump and Hydroponics
31 in 1 Package: 5M standard airline tubing, 3 x air stones, 3 x check valves, 15 x suction cup clips, 3 x straight connectors and 3 x T-connectors, 2 Aquarium Air Valve, Complete tools match well with your fish tank.
£ 8.39
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Pawfly 4-Way Aquarium Air Flow Control Lever Valve Splitter Distributor Manifold for Air Pumps Fish Tank with 1 Non-return Check Valve and 6 Suction Cup Clips
4-Outlet Control Valve: Manually and individually control the air flow of each outlet port for your multiple needs.
£ 6.99
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LINLAN Modular Easy-Water-Refill CO2 Bubble Counter, Hose Connection | with syringe, refill without disassembly, check valve, co2 stays on, for planted aquariums
【Modular Multi-Module Design】The key upgrade: a modular structure that splits into a standard bubble-counting module and a quick-fill module.
£ 9.99
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CO2 Check Valve for Aquariums Professional Metal
Professional CO2 check valve for aquariums CO2 systems High quality and durable 2 x G 1/8 inch IG + hose connection 4/6 mm Nickel-plated brass (with seals already assembled) Operating pressure: 0.2 - 8 bar
£ 12.08
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YMWALK Fish Tank Air Pump Accessories Set including 5m Airline Tube Hose,3-Way Air Valve Distributors,3 Non-return Check Valves,3 Air Stone,10 Suction Cups and 5 Connectors for Aquarium Air Pump
【Aquarium Air Pump Accessories kit】 There are 23 accessories for fish tank air pump accessories, including 5M transparent air pipe,1*3-way air flow pump splitter control valve, 3*air stones, 3*check valves, 10*suction cups and 2*T- hose connectors, 2* L- hose connectorand 1*I- hose connectorwhich are enough to meet your fish tank accessories needs.
£ 8.59
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![M METERXITY 10-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16 Airline Tubing Fish Tank [Clear Red]](https://cdn.netzshopping.de/productimages/W/W/4/B0F2N234WW.jpg)
M METERXITY 10-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16" Airline Tubing Fish Tank [Clear Red]
[Multipurpose Use] - Plastic one way non-return check valve suits most aquariums, fish tank scenes, and fishing tackle shops, especially those equipped with 3/16" air tubes.
£ 4.89
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Pawfly Aquarium Air Pump Silent Oxygen Aerator Pump with Air Stone Airline Tubing and Check Valve Accessories for 10-230 L Buckets and Fish Tanks
Steady Output: The aquarium air pump supplies 230 L of steady air flow per hour with low power consumption.
£ 16.99
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Hozelock Air Pump & Accessories Air Pump Including Hose & Air Stone and Check Valve, Black, 640 Litres per Hour
Air pump 640 L per hour
£ 67.05
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CO2 Diffuser,Acrylic Fish Tank Atomizer Carbon Dioxide Bubbles With Check Valve & Suction Cups for Aquariums Up to 120 CM
Acrylic Material:Made of high-quality and highly transparent acrylic material not affect the landscape inside the fish tank.
£ 10.79
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Air Tight Quick Connect Check Valve, Metal Air Pump Check Valves for CO2 Atomizer, 1.7 * 0.5in
Size: approx.4.4*1.2cm/1.7*0.5in(L*W); Package Included: 1 x Air Tight Quick Connect Check Valve; Made of premium metal material, sturdy to use. It provides sturdy connectors for your air piping system.
£ 6.99
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Kichvoe Aquarium Air Pump Check Valve 8mm Plastic One-way Non-return Valve for Fish Tank Airline Tubing and Ozone Resistance
Kichvoe
£ 5.59
free delivery
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Aquarium Co2 Regulator W21.8, Dual Gauge Accurate Display, with 12V DC Solenoid Valve, Bubble Counter and Check Valve, for Grow DIY CO2 System in Aquatic Plant Tank
Designed for aquariums -- This product combines a CO2 regulator and solenoid valve designed for aquariums. It can accurately control the output pressure and flow rate of CO2 to create a suitable growth environment for aquatic plants in the aquarium.
£ 56.11
£ 58.42
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Culnflun 10 Pcs 4mm / 0.2 Inch One Way Check Valve, PP Plastic Non - Return for Aquarium Air Pump, Water Stop Check Valve for Fish Tank to Prevent Backflow (4mm Black)
ONE-WAY ANTI-BACKFLOW DESIGN, PROTECT YOUR AQUARIUM: This check valve is designed for fish tank air pumps, effectively preventing gas or liquid backflow, avoiding water damage to equipment. A reliable replacement for broken valves, making your aquarium keeping safer.
£ 6.39
free delivery
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Haofy 1 Way Check Valve Air Pump Aquarium High Performance Check Valve for Fish Tank, 10 Pcs (4mm red)
Haofy
£ 5.19
free delivery
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![M METERXITY 1-Set Aquarium Air Valve, for 3/16 Airline Tubing PVC Aquarium with L-Shape Air Control Valves Check Valves for Fish Tanks/Aquaculture, Regulators Air Pump Adjustable [Blue, Red]](https://cdn.netzshopping.de/productimages/V/2/Z/B0F2MZGZ2V.jpg)
M METERXITY 1-Set Aquarium Air Valve, for 3/16" Airline Tubing PVC Aquarium with L-Shape Air Control Valves Check Valves for Fish Tanks/Aquaculture, Regulators Air Pump Adjustable [Blue, Red]
[Multipurpose Use] - The air control valve is mainly used as a tool to control oxygen in fish tanks, aquariums, aquaculture, gardening or drip irrigation systems, aquarium pipes, landscape aquariums, etc., to achieve precise gas flow control [Durable Aquarium Air Valve] - The aquarium control valve is made of PVC, which is an excellent electrical insulating material and safe to use.
£ 5.99
free delivery
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Jelquix CO2 Regulator Stainless Steel Needle Valve for Aquarium System Check Valve Bubble Counter, High Precision CO2 Release for Fish Tank, Ergonomically Designed (Double-head fine-tuning
[DURABLE STAINLESS STEEL] Made of high grade stainless steel material, this CO2 regulator is anti-, abrasion resistant, and durable for long-lasting use. [PRECISE CO2 CONTROL] Features a stainless steel needle micro-metering valve for precise CO2 release, allowing for fine tuning to meet your aquatic needs. [EASY INSTALLATION] Ergonomically designed for easy installation and convenient removal, making it hassle-free to set up in your aquarium system. [VERSATILE STYLES] Choose from different styles to meet your specific demands, ensuring compatibility and customization for your fish tank setup. [LIGHTWEIGHT & PORTABLE] With a special metal-grinded surface, this regulator is lightweight and easy to operate, adding convenience to your aquarium maintenance.
£ 8.77
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13% discount
Pawfly Aquarium Air Pump Fish Tank Oxygen Pump for Fish Tanks Buckets Dual Outlet Adjustable Ultra Quiet Aerator Pump with Airline Tubing Air Stones Connectors and Check Valves
Steady Output: Max Air Flow Rate: 265 L/H; Pressure: 0.020 MPa; Power: 2 W. The pump supplies steady air flow with low power consumption.
£ 16.99
£ 19.54
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Ejoyous Aquarium Check Valve 12PCS, 4mm One Way Air Valve Non Return for Fish Tank Industry (4mm)
Ejoyous
£ 6.57
free delivery
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5Pack One Way Check Valves for Aquarium Air Pump and CO2 System(4mm)
Generic
£ 27.09
free delivery
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![M METERXITY 24-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16 Airline Tubing Fish Tank [Clear White]](https://cdn.netzshopping.de/productimages/Y/7/J/B0F2N17J7Y.jpg)
M METERXITY 24-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16" Airline Tubing Fish Tank [Clear White]
[Multipurpose Use] - Plastic one way non-return check valve suits most aquariums, fish tank scenes, and fishing tackle shops, especially those equipped with 3/16" air tubes.
£ 9.59
free delivery
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Aquarium CO2 Regulator, W21.8 Upper Opening Mini CO2 Pressure Gauge with Check Valve for Fish Tank Carbon Dioxide System
MiOYOOW
£ 33.99
free delivery
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8% discount
Clscea Aquarium Stainless Steel CO2 Diffuser, S-Hook CO2 Atomizer with Built-in Check Valve and Replaceable Disc for Aquarium Plant Tank, 30cm (L)
Unique design: We have integrated the check valve into the cup body, significantly enhancing the anti-backflow effect of the check valve, reducing the waiting time for gas release, and eliminating the need for an additional check valve connection, making your aquarium piping system more streamlined.
£ 22.99
£ 24.99
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skrskr Aquarium DIY CO2 Generator System Kit CO2 Generator System with Solenoid Valve Bubble Counter & Check Carbon Dioxide Reactor Kit for Plants Aquarium
Be made of aluminum alloy. It is strong, durable and efficient.
£ 41.50
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Jelquix CO2 Regulator Stainless Steel Needle Valve for Aquarium System Check Valve Bubble Counter, High Precision CO2 Release for Fish Tank, Ergonomically Designed (Single-head fine-tuning
[DURABLE STAINLESS STEEL] Made of high grade stainless steel material, this CO2 regulator is anti-, abrasion resistant, and durable for long-lasting use. [PRECISE CO2 CONTROL] Features a stainless steel needle micro-metering valve for precise CO2 release, allowing for fine tuning to meet your aquatic needs. [EASY INSTALLATION] Ergonomically designed for easy installation and convenient removal, making it hassle-free to set up in your aquarium system. [VERSATILE STYLES] Choose from different styles to meet your specific demands, ensuring compatibility and customization for your fish tank setup. [LIGHTWEIGHT & PORTABLE] With a special metal-grinded surface, this regulator is lightweight and easy to operate, adding convenience to your aquarium maintenance.
£ 7.20
free delivery
To the offer
![M METERXITY 1-Set Aquarium Air Valve, for 3/16 Airline Tubing PVC Aquarium with L-Shape Air Control Valves Check Valves for Fish Tanks/Aquaculture, Regulators Air Pump Adjustable [Black]](https://cdn.netzshopping.de/productimages/8/5/F/B0F2MZGF58.jpg)
M METERXITY 1-Set Aquarium Air Valve, for 3/16" Airline Tubing PVC Aquarium with L-Shape Air Control Valves Check Valves for Fish Tanks/Aquaculture, Regulators Air Pump Adjustable [Black]
[Multipurpose Use] - The air control valve is mainly used as a tool to control oxygen in fish tanks, aquariums, aquaculture, gardening or drip irrigation systems, aquarium pipes, landscape aquariums, etc., to achieve precise gas flow control [Durable Aquarium Air Valve] - The aquarium control valve is made of PVC, which is an excellent electrical insulating material and safe to use.
£ 5.99
free delivery
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Tropica 3-in-1 CO2 Diffuser, Check Valve & Bubble Counter
Tropica 3-in-1 CO2 Diffuser, Check Valve & Bubble Counter Facilitates accurate CO2 dosage Customised ceramic disc ensures the creation of micro bubbles Increases the CO2 utilisation as opposed to a regular air stone Reflux valve prevents the fish tank’s water from being sucked in backwards
£ 15.99
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Qcwwy Aquarium Air Pump Check Valves, 10 Pack, Plastic, 3mm Inner Hole Diameter, Clear, Easy to Install (Transparent White)
Qcwwy
£ 5.19
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![4mm PP Aquarium Fish Tank Check Valve, 10 Pcs, One Way Water Stop, for Aquarium by [Brand Name] (4mm Black)](https://cdn.netzshopping.de/productimages/1/Q/2/B0GV64D2Q1.jpg)
4mm PP Aquarium Fish Tank Check Valve, 10 Pcs, One Way Water Stop, for Aquarium by [Brand Name] (4mm Black)
[DURABLE REPLACEMENT] This high-quality one-way check valve is designed to replace broken valves seamlessly, a to prevent backflow of gas or liquid. Its robust construction long-lasting performance in various applications, making it an ideal choice for maintenance and upgrades.
£ 6.29
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puhae Clear UPVC Check Valve True Union Swing Check Valves Backflow Valve Pipe Fittings (32Mm)
puhae
£ 21.14
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ZAICOLER 10Pcs Preventive Non-Return Check Valve Aquarium Oxygen Pump Safety Valve for Fish Tank White Plastic (Transparent Black)
ZAICOLER
£ 6.00
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sourcing map Plastic Aquarium Air Pump Non-Return One Way Check Valve 5mm Dia 15pcs
Product Name: Aquarium Check Valve; Color: Red , Clear
£ 9.99
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Karlak CO2 Generator System Carbon,Aquarium DIY CO2 Generator System Kit CO2 Generator System with Solenoid Valve Bubble Counter & Check Carbon Dioxide Reactor Kit for Plants Aquarium
Be made of aluminum alloy. It is strong, durable and efficient.
£ 36.99
£ 38.01
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Cryfokt Precise 3/8in Durable Check Valve for Preventing Backflow, 2Pcs Plastic Non Return Valve for Air Compressor and Aquarium Pump (CDDV6)
Cryfokt
£ 6.89
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Shrimp Nature Aquarium CO2 Magnetic Solenoid Check Valve | Plant Grow DIY CO2 System W21.8 (One Bubble Counter) - Fits fire extinguisher Co2
Double-meter configuration can clearly show the working status of CO2 system, lack of gas, excessive pressure or too small at a glance.
£ 36.00
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Asyduey Clear UPVC Check Valve True Union Swing Check Valves Pool Ball Non Return Valve Pipe Fittings (32Mm)
Asyduey
£ 20.58
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10 Count For Aquarium Air Pipe Check Valve Designed to Fit Common Air Pump Tubing Sizes and Prevent Backflow (Transparent white)
【 and Reliable】Constructed from clear plastic, these check valves are built to last and reliable performance for the safe operation of your air pump.
£ 4.99
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Wdbild Professional CO2 Solenoid Valves Bubble Counter For Ecosystems Installation Prevents Backflow Leakage Professional Aquarium Check Valves
Wdbild
£ 20.49
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20PCS Plastic Aquarium Air Pump Check Valve, Unidirectional Fish Tank Backflow Preventer, Durable White Valve for 4mm Air Tubing, Protects Oxygen Pump from Water Damage During
Backflow Prevention: This unidirectional check valve stops water from flowing back into your aquarium air pump when power is cut or the pump stops, protecting your oxygenation system from damage and preventing messy tank overflows.
£ 7.89
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eco-filtration 43mm InLine Non-Return Valve (Small) for 40mm Domestic Waste Pipe – Includes 2 x 43mm Solvent Weld Hosetails & Reducer Bushes – Step Sizes-20,25,32,38mm ID Flexible Hose
Flexible Hose Compatibility: This 43mm InLine Non-Return Valve comes with 2 x 43mm solvent weld hosetails, which can be used with flexible hoses of various internal diameters (ID) including 20mm (3/4′′), 25mm (1′′), 32mm (1.25′′), and 38mm (1.5′′). The included stepped hosetail chart helps ensure compatibility with your specific hose.
£ 25.99
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Aquarium Check Valve 4mm PP Air Pump 1 Way Water Stop Check Valve, High Performance, 10 Pcs for Food and Beverage (4mm black)
Generic
£ 5.89
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Whychstore Aquarium Air Pump Check Valve Set, Clear Plastic One-Way Stop Valves to Prevent Backflow and Protect Air Supply, 10PCS Red Black White
【1-Way Check Valve for Air Pumps】Designed specifically for air pumps, this 1-way check valve ensures efficient airflow without compatibility issues common with systems. It is a reliable accessory for maintaining the proper functioning of your aquarium's air supply.
£ 5.69
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PP Air Pump Aquarium Check Valve 10 Pcs 1 Way Water Stop Valve Fish Tank (4mm Black)
[Easy to Use] Widely used in various scenarios, this check valve is a reliable choice for ensuring the safety of your aquarium or equipment.
£ 5.49
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HENYGEN Set of 30 Air Pumps Check Valves Safeguarding Standard Airline Tubing in Underwater Parts Vital Aquarium Gear Fish Tanks Fish Tanks Air Line
HENYGEN
£ 9.99
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PP Plastic Stop Valve, entil Aquarium, Anti sipn entil 4mm for Fish Tank ChemicalIndustry (4mm)
High Pressure Capacity: The Air Check Valve has a strong pressure capacity and stiffness, catering adequately to actual user requirements within the appropriate range. It's crafted to withstand pressure, ensuring the longevity of your systems.
£ 7.65
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Lecreatekit Sewage Check Valve,1.5 Inch Silent Transparent Sump Pump Check Valve With Unique Spring-loaded Flapper Mechanism Monitor Sump
Silent Operation: Experience a quieter environment with our check valve, designed to eliminate water hammer noise through its innovative spring-loaded flapper mechanism, peaceful water flow in your plumbing system.
£ 17.99
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DONGKER Aquarium CO2 Refiner Diffuser,304 Stainless Steel Hooked CO2 Diffuser with Check Valve for Aquarium Plant Tank
High Dissolution Rate: Uniform and delicate bubble, high dissolution rate of water, upgraded refinement module without rubber ring design, easy to unscrew, easy and quick to replace.
£ 16.99
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Riuulity Aquarium CO2 Bubble Counter Needle Valve for Precise CO2 Release Fish Tank, Stainless Steel Check Valve (Double-head fine-tuning (takeover))
Riuulity
£ 7.61
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eco-filtration 50mm Inline Non-Return Valve (Large) – Includes 2 x 50mm Solvent Weld Hosetails – Step Sizes-30,40,32,50mm ID Flexible Hose – Ideal for Pump and Water System Control
Flexible Hose Compatibility: The 50mm Inline Non-Return Valve comes with 2 x 50mm solvent weld hosetails, which are compatible with flexible hoses with internal diameters (ID) of 30mm, 40mm, or 50mm. Check the included stepped hosetail chart for a detailed guide on hose compatibility.
£ 25.99
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12 PCS Clear Plastic One Way Aquarium Air Pump Check Valves Non Return for Fish Tank
Air check valve: great one-way check valve for aquarium and fish tank, put in the airline tube between air pump and aquarium water to prevent water from returning down the air line Material: made of durable clear plastic, great resistance to water; Please use a paperclip to poke it from Input side to output side when the outlet inside gets stuck Air hole diameter: 3 mm/ 0.12 inch; Overall size: 42 x 13 mm/ 1.65 inch x 0.51 inch (L x Max.D); Compatible with standard aquarium air pipe of 4 mm inner diameter Safety precaution: as a preventive measures in case the power goes out, protect you air pump by preventing aquarium water from back siphoning Package content: 12 pack clear black plastic aquarium check valves, small and compact, it is easy to install, good to make a brake bleeding device
£ 5.99
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Single Way Aquarium Air Pump Check Valve 10Pcs PE Non Return Valve for Industry (6mm White)
[Multi-purpose] : With good , high temperature, and , this valve is suitable for various applications including fish tanks, industries, and more.
£ 8.79
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Xiuganpo Check Valve Strong Pressure Replacement for Fish Tank Aquarium 10 Pcs 4mm PP Air Pump 1 Way Water Stop Valve (4mm black)
Xiuganpo
£ 5.92
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Yardwe Fish Tank Air Check Valve One Way Non Return Plastic 10 Pcs
Aquarium check--for durable long-lasting use,Aquarium Air Check
£ 6.19
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sourcing map Aquarium Air Valve 2 Way Air Pump Control Valves for Fish Tank Plastic Black 5Pcs
Great for 6mm Inner Diameter airline tubing. Simple design for easy use. Made of durable plastic.
£ 5.79
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Gatuida 24pcs Fish Tank One-way Stop Valve Aquarium Air Valve Kit for Air Pump Airline Tubing Backflow Prevention
Gatuida
£ 8.19
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Clscea Aquarium CO2 Bubble Counter with Built-in Check Valve for CO2 Generator Regulator, Single Head
Easy to operate: thread connection, compatible with many CO2 needle valves on the market, as long as filled with water screwed on the device, and then connected to the pipe, you can work.
£ 9.99
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10PCS Efficient Check Valves for Aquariums, Clear Plastic, Stops Back Siphoning (Transparent white)
【1-Way Check Valve for Air Pumps】Designed specifically for air pumps, this 1-way check valve ensures efficient airflow without compatibility issues common with systems. It is a reliable accessory for maintaining the proper functioning of your aquarium's air supply.
£ 5.68
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FTVOGUE 10Pcs One Way Non-Return Check Valve Aquarium Fish Tank Oxygen Air Pump Check Valve(03)
Prevent water backflow from damaging front-end air pumps or other product equipment
£ 6.73
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MiOYOOW Aquarium CO2 Diffuser, Acrylic CO2 Atomizer with Bubble Counter/Check Valve for Fish Tank Aquarium Plants
High-Quality Acrylic: Made of high-transparency acrylic cup body + nano-ceramic thinning sheet, the performance is stable and reliable, can be reused after cleaning, and has a long service life.
£ 14.99
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Aquarium Air Flow Control 10 in 1 Kit 3-Way Air Valve Distributors & 3 Check Valves & 6 Suction Cups for Fish Tank Pumps
Air pump valve 10 in 1 kit includes 1 x 3-way air flow pump splitter control valve, 3 x non-return check valves, 6 suction cups.
£ 6.49
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Hohopeti 10pcs Aquarium Check Valve Plastic One Way Non-return Fish Tank Air Check Valve for Oxygen Pump Stop for Fish Tank Bubbler System
Fish tank air check valve:please use a paperclip to from input side to output side when the outlet inside gets stuck,Fish Tank Check Valve
£ 6.29
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BornFeel Aquarium Air Pump Splitter 2-Way/3-Way/4-Way/5-Way Air Flow Control Lever Valve & Non-Return Check Valves & Suction Cups for Fish Tank Airline Air Tube Hose
1 x 2-way air tubing splitter & 2 x non-return check valves & 4 x suction cups.
£ 10.04
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Check Valve Solution for 1160PM500 and No 2 Pitcher Pumps, Designed for Quick Setup and Enhanced Pump Functionality
[ALL-IN-ONE REPAIR SOLUTION] This comprehensive kit caters specifically to 1160PM500 and No. 2 pitcher pumps, containing all necessary parts including lower valve leathers, leather cups, a cast iron check valve, and installation screws.
£ 7.90
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CTRICALVER air Tube Connector 40 Pieces Set Y Type T Type L Type I Type Fitting Branch Connection 4 Types Aquarium Plastic Clear Oxygen Tube Outer Diameter 5mm Inner Diameter 4mm (5m)
Air pump accessories: 1 x 3-way air flow pump splitter control valve, Oxygen tube 5m/ ID 4mm, 3 x check valves, 6 x suction cup clips,3x air stone,complete tools match well with your fish tank.
£ 9.89
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Check Valve, 10Pcs Check Valve, PE Single Way Aquarium Air Pump Non Return Valve Damaged Check Valves Replacement for, Sump Pumps (6mm White)
Replace Broken: This is single way check valve, which is easy to replace broken check valve, simple to use,prevent the backflow of gas or liquid.
£ 7.55
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TOPINCN 10Pcs Essential White Aquarium Check Valve Prevent Water Backflow for Fish Tank Oxygen Air Pump (Transparent Black)
TOPINCN
£ 5.52
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DONGKER Aquarium Non-Return Check Valve,CO2 One-Way Check Valve Connecting 6mm OD X 4mm ID CO2 Tube for Aquarium Co2 System Diffuser
【High-Quality Material】 CO2 one-way valve is made of high-quality aluminum alloy, not easy to oxidize, corrosion-resistant, long-lasting, compact and exquisite. 【External Installation】The quick-insert design easily presses the air pipe into the connection, which can be connected to the air pipe with an outer diameter of 6mm and an inner diameter of 4mm, and the connection is stable.
£ 7.59
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TOPINCN 10Pcs Essential White Aquarium Check Valve Prevent Water Backflow for Fish Tank Oxygen Air Pump (Transparent White)
TOPINCN
£ 5.50
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Set Of 30 Check Valves For Air Pumps Ensuring Protections And No Returns Functionality In Tubing Aquarium Must Own Tool Aquarium Check Valves Air
Asukohu
£ 10.78
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GOTOTOP 2PCS Check Valve, Fish Tank Water Flowing Regulator Valve Hose Pipe Valve Tube Pipe Connector for Fish Tank(10mm)
aquarium air pump accessories. [Easy to Use] Easy to install and remove, detachable design makes it easier for you to clean and repair. Unscrew to open it. Aquariums Accessories.
£ 6.97
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Durable Non-Return One Way Check for Valve CO2 Aquarium Fish for Tank Air Pump for Accesso One Way
Made of durable transparent plastic. When the socket inside is stuck, please use a paper clip to poke from the input end to the output end
£ 4.99
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Eyein Adjustable Air Pump Aquarium, Ultra Silent 4W Air Pump for Fish Tank Up to 400L with Dual Outlets, Hangable Whisper Fish Tank Oxygen Bubbler with Accessories Air Stone, Check Valve, Tubing
【Powerful Dual-Outlet with Generous Airflow】 Equipped with a 4W high-efficiency motor and dual outlets, this air pump delivers an impressive maximum airflow of 2 x 3L/min, ensuring robust oxygenation for medium to large aquariums (up to 400L).
£ 17.99
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Set of 10 For Aquarium Air Pump Check Valves, Safeguard Air Supply, Prevent Water Backflow (Transparent white)
【1-Way Check Valve for Air Pumps】Designed specifically for air pumps, this 1-way check valve ensures efficient airflow without compatibility issues common with systems. It is a reliable accessory for maintaining the proper functioning of your aquarium's air supply.
£ 4.52
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Gatuida 24pcs Fish Tank One-way Stop Valve Aquarium Check Valve for Air Compressor Parts Plastic Airline Tubing Accessories for Aquarium Air Pump
Gatuida
£ 8.59
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20PCS Plastic Aquarium Air Pump Check Valve, Unidirectional Fish Tank Backflow Preventer, Durable White Valve for 4mm Air Tubing, Protects Oxygen Pump from Water Damage During
Prevents Water Backflow: This unidirectional check valve stops aquarium water from flowing back into your air pump when power is cut or the pump shuts off, protecting your oxygenation system from damage and preventing messy tank overflows.
£ 11.99
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MERRYHAPY 10pcs Aquarium Check Valves Fish Tank One-Way Non-Return Valve Air Pump Accessory Water Pump Backflow Preventer
MERRYHAPY
£ 5.99
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Sharplace 4Pcs Aquarium Air Check Valve, Fish Tank Air Pump Valve Non-Return Valves for 4mm Fish Tank Air Line, 3 Way
. Protect Your Air Pump: Specially designed air check valve protects your air pump by prevent aquarium water from backflowing during power outages
£ 9.49
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DONGKER CO2 Diffuser, Stainless Steel Aquarium Plant CO2 Atomizer With Check Valve & Suction Cup fit Inner Dia 4mm/outer Dia 6mm Tube for Aquarium Plants Water Grass
304 Stainless Steel Material: smooth surface, strong and sturdy, corrosion-resistant and not easy to rust, long service life, threaded pagoda structure air pipe connector, quick connection inner diameter 4mm x 6mm outer diameter CO2 soft air tube CO2 Refinement And Diffusion: nano-level atomization sheet, uniform and fine bubbles, nano-ceramic refinement sheet, uniform and fine gas disc bubbles, high water dissolution rate Fish Tank Water Grass Plant Growth: diffuser atomization diffuses CO2 gas into the water, improves the growth environment of fish tank water grass, and enhances the photosynthesis of water grass plants in freshwater fish tanks, which is beneficial to the growth of fish tank water grass plants Suitable For Small Aquariums: with check valve, no need to worry about water backflow corroding the aquarium CO2 system.
£ 13.99
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Zerodeko 2Pcs Check Valves for Fish Tanks One Way Non Return Valve Prevent Backflow for Aquarium Pump Protection for Hydroponics Aquatic Supplies
Zerodeko
£ 7.59
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KESOTO 4 Pieces Aquarium Air Check Valves Non Return Valve Three Way Air Pump Valves, 3 Way
Easy to install: The Non Return Check Valve is easy to install, easy to use, removable, and anti falling, which can effectively prevent water from backflowing and damaging the air pump
£ 5.48
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GKYQVE 30PCS Check Valves For Aquarium Air Pumps Suitable With Tubing Keep Your Underwater Habitat Practical Air
GKYQVE
£ 7.49
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Check Valve Air Pump Accessories PP Nonslip Airtight OneWay Valve for Aquarium Hydroponics Air Tubing 1/4 Inch (3/16'')
[NONSLIP & DESIGN] The check valve features a pagoda-shaped slot nozzle ensuring a secure grip and safe operation. Its non- PP material and airtight construction provide reliable performance for air pumps. The advanced design offers excellent adsorption properties preventing leaks and ensuring consistent airflow.
£ 5.41
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hygger Fish Tank Bubbler Stone Kit Round Disk Aquarium Nano Air Stones Ultra-High Dissolved Oxygen Diffuser Bubbler with Adjustable Control Valve Air Tube 1M T Connector Check Valve Suction Cup, 38mm
hygger
£ 12.59
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Juroupi 10 Pcs Check Valve 4mm PP Air Pump Aquarium 1 Way Water Stop Check Valve for Fish Tank White (4mm White)
Replacement: This one way check valve can be used to replace the broken check valve and fit perfectly, to prevent the backflow of gas or liquid
£ 5.69
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CTRICALVER air Tube Connector 40 Pieces Set Y Type T Type L Type I Type Fitting Branch Connection 4 Types Aquarium Plastic Clear Oxygen Tube Outer Diameter 5mm Inner Diameter 4mm (5m)
Air pump accessories: 1 x 2-way air flow pump splitter control valve, Oxygen tube 3m/ ID 4mm, 2 x check valves, 4 x suction cup clips,2x air stone,complete tools match well with your fish tank.
£ 8.79
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KIMISS 12PCS Aquarium Check Valve, One Way Air Valve with Resistance, Ideal for Fish Tank, Food Grade Safe, Suitable for Chemical Industry (5.1mm)
Efficacious Backflow Prevention - With our Aquarium Check Valve you no longer need to worry about backflow. Crafted with excellent thermal performance, superior chemical stability, it is both and tasteless, ensuring optimal prevention of gas or liquid backflow.
£ 6.21
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NbgrvB Aquarium equipment stop valve10pcs Oxygen Air Pipe -Way Check Valves Stop Valve For Ordinary Aquarium Air Pumps Plumbing Accessories
【-Way Check Valve for Air Pumps】Designed specifically for air pumps, this -way check valve ensures efficient airflow without compatibility issues common with systems. It is a reliable accessory for maintaining the proper functioning of your aquarium's air supply.
£ 5.00
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10Pcs Aquarium Air, Pump Check Valves Plastic One Way NOn Return Valve Fish Accessories Non-return for Tank Oxygen (Clear White)
Function:Greatly the oxygenation pump from damaging by water retrograde into pump. way check valve is placed in your airline tubing between your air pump and aquarium water to prevent water returning down the air line.
£ 6.12
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ISTUSHEWILL 8 Pcs Aquarium Check Valves, One Way Non-return Protector, Air Pump Accessories for 3/16 Inch Airline Tubing Fitting Black
Aquarium Check Valves: Specially designed for oxygen air pumps, these check valves prevent water from flowing back into your equipment, protecting your system during power outages or temporary pump stops.
£ 7.90
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Aquarium Air Valve Anti Siphon Valve Vacuum Check Valve,12PCS Aquarium Check Valve Resistance Oil Resistant One Way Air Valve PP Check Valve for Fish Tank Chemical Industry (4mm)
【Perfect Replacement】: This one way check valve is easy to replace the broken check valve, perfect replacement, stable performance. 【Corrosion Resistance】: good resistance, high temperature resistance and corrosion resistance, used in fish tank, food and beverage, chemical industry. 【PP Material】: One way check valve is made of high quality PP material, which is wear resistant and durable, and can be used for a long time. 【Backflow Prevention】: Good thermal performance, strong chemical stability, nontoxic and tasteless, can prevent gas or liquid backflow. 【Strong Pressure Bearing Capacity】: One way valve has enough pressure bearing capacity and rigidity to meet the actual use requirements within its proper range.
£ 7.68
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Condensate Check Valve - Backflow Prevention Drain Valve - Condensate Hose Accessories for Garden Camping Living Room Pool Area
One-way flow control: check valve ensures drainage path integrity by preventing air backflow and fluid backflow, while effectively managing condensation accumulation for reliable performance
£ 8.59
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BAOFUYA Black Plastic 10pcs One -We -Return Check Valve for Aquarium Air Pump Fishing Tank (Transparent White)
BAOFUYA
£ 5.79
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Aquarium Check Valve, 10pcs One-Way Air Pump Valve for Fish Tank, Non-Return Valve for 7mm Airline Tubing for Aquariums, Fish Tanks, Hydroponics and Air Pump Systems
Atyhao
£ 7.14
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Check Valve PP, Nonslip Air Tightness Easy Install Pump Accessories for Various Liquids (3/16'')
[Non-slip Design] The check valve features a pagoda-shaped slot for secure grip and good adsorption performance.
£ 4.69
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KIMISS Stainless Steel CO2 Check Valve for Aquarium Systems, Durable One Way Valve for Air Pumps, Fish Tanks, and Breather Systems
KIMISS
£ 4.99
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Aquarium Check Valve, Non-Toxic Good Airtightness Check Valve PP Non-slip Aquarium Air Pump Accessories Easy To Install Air Pump Accessories
Corrosion: the aquarium air pump accessories are highly resistant to damage by acids, alkalis and salts. This makes it quite versatile and can handle various types of liquids, ensuring long-lasting performance.
£ 4.73
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Lairun Check Valve Aquarium, Aquarium Air Tubing, 8mm Turn to 4mm Stainless Steel Multiple Types Available for(8 to 4mm four-hole shunt head)
Oxygen aeration pump accessories, can be used for shunt gas.
£ 8.35
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12pcs Aquarium Check Valve 4mm One Way Valve,12pcs Aquarium Check Valve 1 Way Check Valve Ozone Resistance Oil Resistant Air Valve PP Check Valve for Fish Tank Chemical Industry (4mm)
Backflow Prevention:Good thermal performance,strong chemical stability,nontoxic and tasteless,can prevent gas or liquid backflow.
£ 8.28
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sourcing map 8Pcs Air Pump Check Valves, 5mm/0.2" Red Aquarium Air Valve Non-Return Valve for Aquariums, Hydroponics
Material: PP Plastic; Color: Clear, Red; Total Length: 54mm/2.13"; Diameter of Air Holes: 5mm/0.2"; Outer Diameter: 13mm/0.51"
£ 8.39
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Klanata Brass Check Valve, Air Compressor Check Valve, 1Way Threaded Connection Return Valve, 1/2x3/8x10, Air Pump Accessories for Pneumatic Systems
[Wide scope of application] The check valve has a wide range of uses and is suitable for many fields, such as air compressors.
£ 7.69
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SEWACC Well Pump Hand Press Replacement Pitcher Pump Seal Pad 11.5x5cm Sturdy Valve Cup for Water Well Repair Accessory
SEWACC
£ 7.89
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Atyhao Aquarium Check Valve Durable One Way Backflow Protection for Fish Tanks Home Labs Plastic Clear 5mm Tubing 10pcs
Matters Need Attention---When the position of the air pump is lower than the water surface, prevent the backflow of water from damaging the front air pump or other equipment.
£ 7.19
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VANZACK 20pcs Aquarium Air Pump Check Valves Non-Return Valves for Fish Tank Fish Tank Pumps Accessories from Back Siphoning
Fish tank check valve--protect you air pump by preventing aquarium water from back siphoning during a power outage,fish tank air check valve
£ 7.19
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Pawfly Large Aquarium Bio Sponge Filter Quiet Betta Fry Shrimp and Small Fish Foam Filter with Airline Tubing Suction Cups Check Valve Connectors and Control Valve Accessories for 240 Litre Fish Tank
Accessories Included: Come with 2 m airline tubing, 4 suction cups, a check valve, a straight and a T-shape connectors and an air control valve. Air pump not included.
£ 10.99
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1 Way Check Valve Plastic Non Return Inline Valve - 6Pcs 3/8inch 10MM Valve, Medical Grade Material, Easy to Carry, Used in Water Treatment and Air Purification (CDPV6)
[MEDICAL GRADE MATERIAL] Made from material, this check valve is safe, non-, and highly resistant to from , alkali, and salt. Promotes durability and extended usage.
£ 8.57
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6pcs Pp Barb Check Valve for Water and Air Reverse Flow Control
4mm check valve--the interior is designed with a non-slip card slot, which has strong adsorption performance and prevents falling off,Air Check Valve
£ 8.49
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Akozon Check Valve Carbon Dioxide Supply System - Aquarium CO2 Check Valve Professional Stainless Steel Aquarium CO2 System Industrial & Scientific/Hydraulics, Pneumatics &
Akozon
£ 5.23
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KIMISS Pond Pump Regulator 2pcs Check Valve, 2pcs Fish Tank Water Flowing Regulator Valve, Accessories Controller Tube Pipe Connector Hose Tor for Tank (10mm)
PLASTIC MATERIAL: Our aquarium water control valve is made of quality plastic material, and practical to use.
£ 6.00
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Yinhing Check Valve, One Way Valve Stop One Way Non-Return Water Stop Check, Aquarium Air Pump, Aquarium Air Pump Accessories for Fish Tank (4mm White)
【Strong Pressure 】Designed for durability, this one way valve can withstand significant pressure, providing reliable performance without compromising rigidity or integrity during operation.
£ 4.69
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ViaGasaFamido Check Valve 10 Pcs 4mm PP One Way Water Stop Valve for (4mm
[GOOD THERMAL PERFORMANCE] Experience strong stability with this odorless check valve, ideal for fish tanks and industry settings.
£ 4.89
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Milisten 25Pcs Aquarium Check Valves Non-return Flow Control Valves for Fish Tank Air Pumps Black Small Water Backflow Preventers Reliable Aquarium Accessories for Pump Protection
Milisten
£ 4.89
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Segrehy Aquarium Air Valve, Anti Siphon Valve, Vacuum Check Valve, 12PCS PP Check Valve, Erosion Sturdy, One Way Air Valve for Fish Tank and Industry (4mm) (4mm)
Stable Replacement:This one way check valve serves as a stable replacement for worn out or damaged valves in your aquarium setup. Designed to prevent backflow, it ensures the smooth of your fish tank's air pump system. The product is suitable for various applications where prevention of gas or liquid backflow is essential .
£ 6.44
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Aquarium Oxygenation Kit, Air Pump Accessories Set with Airline Tubing, Air Stones, and Check Valves for Fish Tank
[COMPLETE AIR PUMP ACCESSORIES SET] Enjoy a hassle- experience with this kit including airline tubing, air stones, check valves, suction cups, and connectors. All you need for optimal oxygenation in your aquarium!
£ 6.38
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One Way Check Valve 5PCS Plastic Non Return Valve for Water Treatment, 5mm Diameter, Ideal for Aquatics and Industrial Applications
KIMISS
£ 5.09
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![M METERXITY 24-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16 Airline Tubing Fish Tank [Clear Black]](https://cdn.netzshopping.de/productimages/9/F/9/B0F2N2R9F9.jpg)
M METERXITY 24-Pack Aquarium Air Check Valve, Plastic One Way Non-Return Valves Air Valve Air Tubing Accessories Air Pump Accessories for 3/16" Airline Tubing Fish Tank [Clear Black]
[Multipurpose Use] - Plastic one way non-return check valve suits most aquariums, fish tank scenes, and fishing tackle shops, especially those equipped with 3/16" air tubes.
£ 8.99
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Keenso 10 PCs Check Valve 4 Mm PP Air Pump Aquarium 1 Path Water Stop Slogans for Fish - Strong Pressure, Excellent PP Material for Aquariums for (4mm red)
[Effective exchange] - Replace your faulty check valve with this check valve for uninterrupted performance.
£ 4.74
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Aquarium Check Valve, Stainless Steel One Way Check Valve Professional Air Pump Check Valve for Aquarium CO2 System, Aquarium Supply Accessories, Easy to Install
Practical Accessories: The aquarium CO2 check valve prevents CO2 backflow and maintains CO2 concentration in the aquarium.
£ 6.31
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TOYANDONA 9pcs Stainless Steel Fish Tank Air Pump Distributor with Oxygen Pump Check Valve Aquarium Oxygen Accessories Kit with One Head Crystal Three Head and Hose for Efficient Aeration
TOYANDONA
£ 5.69
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GALPADA 16pcs Upgrade Your Aquarium Air Pump Accessories Set Tubing Connectors Air Stone Suction Cup Check Valve for Control
Connection tube:you can power multiple air stones or filters with this set,aquarium water pipe straight tube connector
£ 11.79
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4PCS Aquarium Air Pump Connectors with Check Valve Aquarium, Y Shape 3 Way Airline Tubing Connector, Plastic Barb Equal Y Tee for 3/16 in Hose, Anti Shedding Fish Tank Tube Adapters Splitter
【Durable Material】The Y shape aquarium air pump connectors are made of PP polypropylene plastic, ensuring durability and safety for potable drinking water. 【Anti Shedding Design】Featuring anti-drop barbs, these aquarium tubing connectors provide a secure fit that prevents slipping out of the tubing.
£ 4.99
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Bavaria Fluid Systems CO2 Solenoid Valve for Aquariums with Integrated Check Valve, 2-in-1 Night Shut Off, Low Noise, Energy Efficient, Made in Germany
Specially designed for aquariums with patented technology 2-in-1 with integrated backflow protection for protection against backflow aquarium water Low noise "humm-free" | energy efficient Minimal heat generation.
£ 29.05
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Pawfly 2-Way Aquarium Air Flow Control Lever Valve Manifold for Air Pumps Multi-port Distributor Splitter with 1 Non-return Check Valve T-shape & Straight Connectors and 4 Suction Cup Clips
2-Outlet Control Valve: Manually and individually control the air flow of each outlet port for your multiple needs.
£ 4.99
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Uniclife Aquarium Airline Tubing Standard Air Pump Accessories Set with Air Stone Cylinders & Dics Connectors Suction Cups and Check Valves for Fish Tank Aeration Setup
All In 1 Package: No Worry About Mismatching - Complete air pump accessories of airline tubing, air stone, connectors, suction cups and check valve for basic aquarium aeration setup.
£ 4.99
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Aquarium CO2 Check Valve Professional Stainless Steel Check Valve for Aquarium CO2 System Fish Tank Air Pump Durable Resistant
[PREMIUM STAINLESS STEEL CONSTRUCTION] Crafted from high-quality stainless steel, this aquarium CO2 check valve ensures exceptional durability and . Its robust design guarantees a long service life even in harsh aquatic environments, making it a reliable choice for your aquarium setup.
£ 6.16
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Greluma 2Pcs Stainless Steel One Way Check Valve for Anti-Backflow Non-Return Air CO2 Line 4mm Tubing Regulator Diffuser in Aquarium System
The Pneumatic Check Valve can prevent the aquarium from water flowing back, which is caused by the decrease, and keep the function and service life of Carbon dioxide bottle.NOTICE: Only used for carbon dioxide steel pressure vessels and cannot be used for DIY and oxygen pumps as not enough pressure to operate the valves.
£ 14.60
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M METERXITY 6-Set Aquarium Air Valve, for 3/16" Airline Tubing Black | Non-Return PVC Control Valves with Check Valves, for Fish Tanks, Aquaculture, Regulators, Air Pump Adjustable
[Multipurpose Use] - The air control valve is mainly used as a tool to control oxygen in fish tanks, aquariums, aquaculture, gardening or drip irrigation systems, aquarium pipes, landscape aquariums, etc., to achieve precise gas flow control [Durable Aquarium Air Valve] - The aquarium control valve is made of PVC, which is an excellent electrical insulating material and safe to use.
£ 5.49
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Qudinip 4mm One Way Check Valve, 10 Pcs Stop Check Valve Non Return Valve for Air Pump Aquarium Fish Tank with PP Material (4mm white)
Qudinip
£ 5.49
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10PCS Oxygen Pump Air Pipe with 1-Way Check Valve for Aquarium Fish Tank, 4mm Air Hole Diameter, 55mm x 15mm, Red/Black/White Plastic Anti-Backflow Valve
【1-Way Check Valve for Air Pumps】Designed specifically for air pumps, this 1-way check valve ensures efficient airflow without compatibility issues common with systems. It is a reliable accessory for maintaining the proper functioning of your aquarium's air supply.
£ 4.54
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Oxygen Pump Air Pipe 1-Way Check Valve Set, 10 Pack Plastic Non-Return Stop Valves to Prevent Back-Siphoning for Aquarium and Fish Tank Air Pumps, Compatible with 4 mm Air Line Tubing, Red Black White
【1-Way Check Valve for Air Pumps】Designed specifically for air pumps, this 1-way check valve ensures efficient airflow without compatibility issues common with systems. It is a reliable accessory for maintaining the proper functioning of your aquarium's air supply.
£ 5.61
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Check Valve, 4mm PP One Way Air Pump Water Stop Check Valve, Aquarium Fish Tank, Food and Beverage, Equipment, Industry (4mm red)
[ Design] : The stop check valve boasts a sturdy construction with excellent pressure bearing capacity and rigidity, meeting all practical needs within a suitable range.
£ 5.40
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Fahoujs Set Of 30 Air Pumps Check Valves Safeguarding Standard Airline Tubing In Underwater Parts Vital Aquarium Gear Fish Tanks Check Valves Fish Tanks Air Line Check Valves
Great for both novice and experienced aquarists, these valves are a must own accessory for anyone seek to maintain a underwater environment
£ 8.69
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2Pcs One Way Check Valve Check Valve, One Way 10mm Plastic Water Hose Barb Non Return Accessory for Fluid Systems
Made of plastic material, good stability and durability.
£ 4.89
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High-Performance 12mm Inline Check Valve for Fuel Gas Liquid Air with Plastic Construction and One-Way Prevention
[ENSURES ONE-WAY ]This 12mm inline check valve is designed to ensure that liquid or air flows in a single direction efficiently preventing any backward . With its one-way feature you can your systems from potential damages caused by reverse streams ensuring smooth and increased longevity.
£ 4.51
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NOENNULL Pack of 2 Check Valve 3/8 Inch 10mm Plastic 1 Way Water Check Valve for Air Compressor Aquarium Pump Fuel Gas Liquid Air (CDAV6)
FUNCTIONAL DESCRIPTION: The 3/8 inch check valve is used in liquid systems to prevent liquid backflow or in pneumatic systems to prevent compressed air backflow. It can be used in the temperature range from -20 degrees Celsius to 70 degrees Celsius
£ 6.29
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BESPORTBLE 30pcs Fish Tank Check Valve Air Pump Gas Pump Non-return Check Valves Professional Stop Valves Fish Tank Supplies One Way Check Valves Aquariums Check Valves Black Plastic
One way check valves--for easy installation, wet valves and tubing before attaching it to the air pump,Aquarium Check Valves
£ 6.49
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2 Pcs Stainless Steel Check Valves for Aquarium, CO2 One Way Check Valve, Fish Tank Check Valve for 4/6mm Tubing Aquarium Co2 System, Aquarium CO2 Diffuser
Premium Material: This aquarium check valve is made of high-quality stainless steel, which is resistant to rust, resistant to breakage, ensuring a long-lasting and easy-to-clean addition to your CO2 system. It’s very durable and sturdy.
£ 4.84
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Opatiny10pcs 1-Way Check Valve for Aquarium Air Pump Oxygen Pump Air Pipe Stop Valve Compatible with Ordinary Fish Tank Plumbing Red/Black/White 5.5cm x 1.5cm
【One-Way Inspection】The check valve ensures one-way inspection for air pumps, back-siphoning of water during power outages and safeguarding your air supply.
£ 4.59
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Respicefinem 10 Pcs Check Valve 4mm PP Air Pump Aquarium One Way Water Stop Check Valve for Fish Tank Black PP Plastic Wear and Durable Strong Pressure Good Thermal Performance (4mm black)
Replacement: This one way check valve can replace broken ones and fit well preventing backflow of gas or liquid
£ 5.20
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Check Valve Nonslip, Easy Install, Airtight PP Pagoda Design, Alkali Resistant, Small Size, for Viton Fluorine Rubber Sealing, Back Pressure 300KPA, Within 2KPA (3/16'')
The check valve nozzle is designed with a pagoda-shaped slot, which is non-slip,airtight, and has good adsorption performance
£ 5.09
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KIMISS G P I-577, I 577 ABS Plastic Water Plants Fish Tank Explosion Proof Aquarium CO2 Check Valve Air Pump Accessories Carbon Dioxide Control for Unidirectional Supplies
Quality Guarantee:Quality checks strictly in every section during the fabrication. If you have any questions about our product, please us. We will be very happy to answer questions and resolve problems for you.presents for your
£ 6.02
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10PCS Oxygen Pump Air Pipe 1-Way Check Valve for Aquarium Fish Tank, 4mm Air Hole Diameter, 5.5cm x 1.5cm, Red/Black/White Plastic Anti-Backflow Valve to Prevent Water Siphoning During Power Outage
【1-Way Check Valve for Air Pumps】Designed specifically for air pumps, this 1-way check valve ensures efficient airflow without compatibility issues common with systems. It is a reliable accessory for maintaining the proper functioning of your aquarium's air supply.
£ 4.54
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Annickee 66pcs Air Pump Accessories, Aquarium Accessories
66-piece aquarium accessory set: 10 m transparent silicone hose, 5-way air distributor, 6 check valves, 4 adjustable valves, 3 models with 6 air stones, 12 suction cups, 36 I/T/L shape connections. Complete tool, multiple choices, more suitable for your aquarium
£ 16.16
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We have found a total of 176 check valves deals for you at amazon, ONBuy UK, Onbuy.com, and other shops. The most popular brands are: M METERXITY, DONGKER, and Pawfly. Today's offer is 10 Pcs Non-Return Check Valve, Aquarium Air Pump 1 Way Check Valve Waterstop Aquarium Air Pump Accessory for Fish Tank Pond (5mm) with 26% discount. The lowest price we found in our deals is £ 4.51 . The highest price in our price comparison is £ 67.05 . Currently, we have selected 5 reliable shops for you to buy check valves affordably.