The non-return air pump check valves are made of durable plastic materials and designed to fit most common air pump while making no noise. Keep your air pump from getting water running into your pump when doing water changes or when the power is interrupted. Perfect for Hydroponics , DWC, aquariums, fish tanks and gardening etc.
How to Install
1. Before use, clean and dry both sides of the tubing so as to hook up valve tightly.
2. Check the flow direction of the valve to make sure put on the correct sides.
3. Attach air pump check valve to the tubing carefully and connect completely.
Tips: If the valve restricts air flow in both directions, please poke something into the hole on the inlet side to push open the valve. After that the valve would allow airflow in the right direction.
Good at Prevention
The air check valve protects you air pump by preventing aquarium water from back siphoning during a power outage.
Fits for standard 1/4 inch & 3/16 inch airline hoses. Can be used for Hydroponics. Aquaponics, aquariums, fish tanks and gardening etc.
Safe and Durable
Clear rigid plastic materials allow you to get rid of breaking the inlet off easily or leaking air. Work for a long time without making noise.
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