QuickConnector from Blichmann Engineering with 3/8" straight barb. Fits all 1/2" male NPT fittings.
Blichmann QuickConnectors were designed from the ground up for brewing, and have features not found in any other fitting on the market. All QuickConnectors are 100% stainless steel, feature a ribbed silicone grip for quick and cool-to-touch operation (no burning your hands!), and a silicone o-ring seal. Each size fits all male 1/2" NPT fittings.