CO2 Art Pro-Series Precision CO2 Check Valve

The installation of a check valve is an excellent preventative measure for your pressurized aquarium CO2 system.  We recommend the use of a CO2 Art check valve to support the function and safety of your CO2 system, protecting against instances where CO2 pressure may decrease, allowing water to flow back inside the tubing. An CO2 Art Steel check valve is included in both AQUACO2's Stage 2 and 3 Complete Kits.

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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.