Feature 1Adapter Connector: Universal fit, the adapter converts 1/2 inch NPT male thread to 5/8 inch barb hose fitting, easy and convenient to install. 2High Performance: Designed with deeper and smoother threads with barbed edges provide effective and tight connection, not easy to slip. 3Durable Material: Adopts premium iron material, sturdy and durable, carefully manufactured and designed, high strength, can be used for long time. 4Leakage Proof: With barbed design, the heater intake manifold adapter has better fixation and sealing to prevent loose leakage. 5Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability.Item Type:HeaterIntakeManifoldAdapterMaterial: IronColor: SilverPacking: A pairFunction: 1/2in NPT internalthread converted to 5/8in hose .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List2 x HeaterIntakeManifoldAdapter