UNS Advanced Check Valve

Nature Aquariums USA Verified independent store

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Check valves are used to prevent liquid backflow on an airline or CO2 tubing. When using either an air pump or CO2 system, it is important to use a check valve to make sure water d oesn't leak from your aquarium and into your air pump or CO2 regulator. Water or any liquids can cause damage to an air pump as well as the needle valve of a regulator -Solid construction -Push in fitting -Fits any standard 3/16" airline or CO2 tubing -Designed for aquarium use Show more