Multiple barbs provide a positive hose clamp seal.Available for fluid handling applications. Multi-Functonal 1/2 Barb Hose: * Made of stainless steel. * Designed for threaded, barbed, push-to-connect, dry disconnect, and others including those based on internationally-accepted specifications * Used in air compressors, automatic manufacturing operations, aircraft controls, and tire installation in industries including agriculture, mining, road construction, firefighting, and aviation. Material: stainless steel 304 Size: 1/2" Barb End to 1/2" NPT Male End Length: 2.2 inches. Maximum working pressure：290 psi Working Temperature: - -100 to +660 degrees ℉. Package Included: 4 pcs. The stainless steel barbed hose fittings excellently designed and proven reliable. If you have any question or dissatisfaction about the products, pls let us know. If you are interested in purchasing large quantity, welcome to email us to get a good price and product details.