Sankey Keg Coupler Gas Hose Inlet Barb with Check Valve Retainer Ring 3/8" Barb

For attaching beverage/air tubing to any standard keg coupler.  This unit has a retainer ring on the base to hold your coupler's check valve in place.

3/8" Hose barb is perfect fit for standard 5/16" inner diameter co2 tubing.