Features: 1.Adapter Connector: Universal fit, the adapter converts 1/2 inch NPT male thread to 5/8 inch barb hose fitting, easy and convenient to install. 2.High Performance: Designed with deeper and smoother threads with barbed edges provide effective and tight connection, not easy to slip. 3.Durable Material: Adopts premium iron material, sturdy and durable, carefully manufactured and designed, high strength, can be used for long time. 4.Leakage Proof: With barbed design, the heater intake manifold adapter has better fixation and sealing to prevent loose leakage. 5.Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. Specification: Item Type: Heater Intake Manifold Adapter Material: Iron Color: Silver Packing: A pair Function: 1/2in NPT internal thread converted to 5/8in hose