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Last updated on 08.10.2026
1
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
Uniclife
free shipping
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9,9
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2
Pawfly 7.5 M Black Airline Tubing Standard Aquarium Air Pump Accessories Set with Suction Cups Connectors and Check Valves
Pawfly
free shipping
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9,8
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3
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)
Finest-Filters
free shipping
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9,8
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4
DONGKER CO2 Check Valve,6mm Aquarium Way Check Valves Stainless Steel Anti-Backflow Non-Return for Fish Tank Aquarium Air Pump
DONGKER
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9,7
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5
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
Nikou
free shipping
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9,6
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6
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
M METERXITY
free shipping
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9,6
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7
sourcing map Plastic Aquarium Non-Return Air Pump Check Valve, 5 Pieces
sourcing map
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9,5
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8
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
anyuan boy
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9,5
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9
Tiardey 2Pcs Check Valve Stainless Steel One Way Non-Return Check Valve for Aquarium Co2 System Aquarium CO2 Diffuser
Tiardey
free shipping
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9,4
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10
AquaOne Airline Check Valve/Non-Return Valve (2pk) for Aquarium Air Line Safety
AquaOne
3% off
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9,4
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You might also be interested in these check valves.
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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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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To the product (1 offer)
26% off
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
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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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Air Pump Check Valves Aquarium One Way Check Valves CO2 Stainless Steel Non-Return for Aquarium Air Pump Fish Tank
Pssopp
£ 7.78
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To the product (1 offer)
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
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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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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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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
To the product (1 offer)
5% off
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
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To the product (1 offer)
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
free shipping
To the product (1 offer)