CO2 Stainless Steel Check Valve

Designed for pressurized CO2 systems Essential for prevent water flooding out of the aquarium Durable stainless steel construction This check valve can only be used with a pressurized CO2 cylinder. The air from a regular air pump will not be able to pass through it. A check valve is used within airline tubing to prevent water from siphoning out of an aquarium and into a CO2 regulator. Stainless steel check valves are durable and will hold up over time keeping your equipment safe from leaks. A stainless steel check valve is the best choice when using CO2 as it will hold up better than plastic over a long period of time. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov If the CO2 regulator is positioned above the rim of the aquarium, then a check valve is not needed. However, in most planted aquariums, the CO2 regulator is lower than the aquarium rim, which means that water will travel out of the airline tubing and all over your floors whenever the CO2 regulator is tur