Cornelius Style CO2 Regulator - 3/8" Barb Outlet with Integrated Check ValveThis Cornelius Style CO2 Regulator is designed for precision gas management in draught systems. It features a 60 PSI output gauge for serving and a 2000 PSI gauge to monitor tank volume. The outlet is equipped with a 3 8" hose barb and a built in shut off check valve, which prevents beer from backing up into the regulator diaphragm if pressure is lost. Built with a heavy duty body for stability and high flow accuracy. Safety Tip: Before opening the