Product Description :
CO2 Stainlesss Steel Check Valve can prevent the aquarium from the water flowing back, which is caused by the decrease of CO2 pressure,and keep the function and service life of CO2 Solenoid Regulator.
Use this Check Valve in your CO2 tubing between your CO2 Solenoid Regulator and adiffuser to prevent water returning down the air line.
|Dimension||0.7cm x 4cm Length|
|Function||Prevent water backflow|
|Remarks||Well fits standard air line tubing aquarium and Co2 tubing with inner diameter about 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 goes with the CO2 bottle pressure system.