6 Check Valve Check Valve for 3.7cmx5.1cm three way

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Description:

【 Material】: This Aquarium Check Valve is made of PP material, ensuring a tight fit without leaking. It can be used for a long time and has no noise, helping you create a quiet and soothing environment.
【Protect Your Air Pump】: Specially designed check valve protects your air pump by preventing aquarium backflowing during power outages.
【Function】: Place these air pump check valves in between the air pump and aquarium water to prevent backflowing along .
【Applicable Scope】: Our Aquarium Air Pump Check Valves fit standard aquarium air with an inner diameter of approximately 4 mm.
【Easy to install】: The Non Return Check Valve is easy to install, easy to use, removable, and anti falling, which can effectively prevent backflowing and damaging the air pump.

Size Chart:

Single check valve:2.2cmx5.1cm/0.87inchx2.01inch
Three check valve:3.7cmx5.1cm/1.46inchx2.01inch

Package Includes:

optional:
1 Single way Aquarium Check Valve
or
1 three way Aquarium Check Valve(6 Pack)

Note:

Please allow slightly errors due to manual measurement and different monitors.

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