Aquarium Air Check Valve - Non-Return One Way Air Valve Red Clear Plastic Check Valve for Aquarium Air Pump Perfect for Fish Tank Aerator 10PCS
?APPLICATION? - DeKago aquarium air check valves are suitable for standard 3/16 inch airline hoses and all common aquarium air pumps, but NOT suitable for CO2 system. It's a very friendly aquarium air pump accessories for the oxygen aerator.
?FUNCTION? - This aquarium check valve for aquarium air pump can protect the air pump, preventing the aquarium water from back siphoning into the air pump during a power outage, which will damage and shortened the lifespan of the air pump. This one way air valve is perfect for aquariums and fish tanks.
?CONNECTION METHOD? - There's a small arrow on the body of the air check valve, the head of the arrow is the output, connect to the tube of the air stone side, and the end of the arrow is the input, which connects to the hose of the air pump side.
?TROUBLESHOOTING? - If the outlet inside of the aquarium air valve gets stuck, please use a toothpick or paperclip to poke it from input side to output side.
?SPECIFICATION? - Made of rigid hard plastic, reusable, durable, and aging resistant. The diameter of the air hole is 0.16", and the length of one way valve is 2.1".
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