CO2Art Pro-Series Precision CO2 Check Valve
High-pressure check valve (+100psi) resistant to carbon dioxide.
With an incredibly low cracking pressure of just 1 psi!
Allows the flow of CO2 in one direction only, protecting your system from backflow of water and damage to the solenoid valve.
Push-in inlet fittings make connection easy.
Compatible with all types of CO2Art CO2 Resistant Tubing.