Pin Lock Barbed Gas Disconnect
Fraser Mills Fermentation Supplies
Pin Lock Home Brew Keg Connectors for Cornelius kegs. Gas in coupler with 1/4" Barbed Connections.
These barbed connections will fit in 1/4 ID hose easily and 3/16 ID hose with a nice snug fit. Make sure to use hose clamps on any barb placed inside a hose in your system.