The John Guest 3/8" Stem x 1/2" Barb Tube To Hose Stem is a fitting used in fluid and air transfer systems. This adapter has the following features:
- 3/8" Stem on one end that fits into 3/8" push-to-connect fittings
 - 1/2" barb on the other end to secure and seal hose with an inner diameter of 1/2"
 - Made from high-quality materials, typically plastic or metal, for durability and chemical resistance
 - Designed with a smooth, non-restrictive interior to minimize pressure drop and improve flow
 - Simple and fast installation without the need for tools, making it an ideal choice for quick connections in various applications