Direct Info from Product Website : https://www.co2art.eu/products/new-co2art-pro-series-precision-co2-check-valve
High-pressure +100psi resistance CO2 check valve. With the incredibly low opening cracking pressure of 1 psi !
Permits flow of CO2 in one direction only, protecting your system from water backflow and solenoid damage.
Easy push-in connectors allow easy inline installation.
Compatible with all CO2Art CO2 resistant tubing types.
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