The barbed pipe fitting is a coupling for joining 2 diameter sizes pipes in the same direction. Can be used with PE, nylon, and PU tubing in industrial environments, for many fluids.Advantage:Made of durable POM engineering plastic material features corrosion resistance, good toughness, high strength, oxidation resistance, and low-temperature resistance performance.Instruction:The 2-way tube fitting is commonly used to connect pipes as air, gas, water, oil, 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.