CO2 Stainless Steel Check Valve can prevent the aquarium from the water flowing back, which is caused by the decrease of CO2 pressure thus, helps in maintaining the function and service life of the CO2 Solenoid Regulator.
Use this Check Valve in your CO2 tubing between your CO2 Solenoid Regulator and a diffuser to prevent water from returning down the airline.
|Dimension||0.7cm x 4cm Length|
|Function||Prevent water backflow|
|Remarks||Well fits standard airline tubing aquarium and Co2 tubing with an inner diameter of 4 mm|
**Note: it needs some pressure to start it, usually 0.1Mpa, not fit for normal air pump, it is suggested that it used with the CO2 bottle pressure system.