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

Water tubing and fitting – HydroponiquePro

Hose Tail, Brass, Female

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

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

beer fittings products for sale

DuoTight Push Fitting Adapters

: Industrial & Scientific

John Guest Acetal Copolymer Barbed Tube Fitting, Stem, 3/8 Stem OD x 3/8 Hose ID (Pack of 10)

PVF, Push Connect Fittings (John Guest)

John Guest 12mm Bulkhead Connector - The Caravan Accessory Store

PM250806E - 8mm Stem x 6mm Barb, Tube To - John Guest