The thread-to-barb pipe fitting is a coupling for joining 2 diameter sizes pipes in different directions. Can be used with PE, nylon and PU tubing in industrial environments, for many fluids.Specification:Advantage:Carbon steel material features high strength, high pressure, and high-temperature resistance. Leakproof comes with 2 washers for good sealing performance.Instruction:The thread-to-barb pipe fitting is commonly used to connect pipes such as air, gas, water, oil, and fuel in a quick and simple way.Notice:Please confirm the correct size before ordering. You can dip the end of the tubing/hose in hot water for a while for push-on installation easily.