Aquarium Check Valve
Product Code: ACV1C
Prevents back siphoning of water through tubing when the power is off, which could damage your air pump or form a puddle that could shock you when electricity returns to your system. This high-quality Aquarium check valve can be used with 3/16" or 5/32" I.D. tubing. Resistance at .07 cfm is only 3" H2O.
