Size:1/2′ male NPT x 1/2′ hose barb in brass and stainless steel | Number of Items:1 Hose fittings connect, control, change the direction of, and terminate the flow in piping and hose systems. They are made of brass, stainless steel, galvanized steel, and other materials that resist corrosion, pressure, and wear. Hose fittings have various types of connections, including threaded, barbed, push-to-connect, dry disconnect, and others including those based on internationally-accepted specifications. Hose fittings are used in systems such as air compressors, automatic manufacturing operations, aircraft controls, and tire installation in industries including agriculture, mining, road construction, firefighting, and aviation.SuperKlean manufactures spray nozzles, water mixer-hose stations, hoses, and accessories. The company, founded in 1985 and headquartered in Burlingame, CA, meets International Organization for Standardization (ISO) standard 9000.