John Guest 3/8 Stem to 1/2 Hose Barb - Join 1/2 silicone tube to 3/8 gas / beer line

John Guest Speedfit CI221212W 3/8 inch - 3/8 inch Stem Elbow (Pack of 10)

John Guest 1/2 in. OD x 3/8 in. Push-To-Connect Reducing Union Fitting (10-Pack) PP201612W - The Home Depot

John Guest Acetal Copolymer Barbed Tube Fitting, Stem, 1/2 Stem OD x 1/2 Hose ID (Pack of 10): : Industrial & Scientific

John Guest Tube to Hose Stem 3/8 inch Stem x 3/8 Hose (one supplied) : : DIY & Tools

John Guest Stem Barb Connector - 3/8 OD Stem x 1/2 ID Barb – Fresh Water Systems

JOHN GUEST 3/8 in. Push-to-Connect Tube to Hose Stem Fitting (10-Pack) PP251212W - The Home Depot

1/2 x 1/2 Brass Pipe Hex Nipple MPT

Draft Beer Fittings and Connectors for Your Kegerator or Beer Tower —

John Guest Stem Barb Connector - 1/4 OD Stem x 3/16 ID Barb – Fresh Water Systems

3/8 x 3/8 John Guest Tube Stem x Barb

John Guest Stem Barb Connector - 1/4 OD Stem x 3/16 ID Barb

John Guest 1/2 Stem to 3/8 Barb