PowRyte 300 PSI Hybrid (PVC/Rubber) Air Hose - 3/8-Inch by 50-Feet, 1/4-Inch MNPT Brass Ends Rubber/PVC blend construction offers lightweight than rubber,more flexible thtan PVC Lightweight, kink-resistant, lays flat and retains its shape for easy handling Very flexible at temperatures from -25 F to 140 F is for any weather use; Tough, spiral synthetic yarn reinforcement offers excellent strength of maximum working pressure 300 PSI Solid brass end fittings never corrode and seal better than aluminum, steel, or zinc; Bend restrictors reduce kinking and help to increase the life of the hose Maximum Working Pressure: 300 PSI; Bursting Pressure: 1200 PSI; 3/8-Inch Inner Diameter; 50-Feet Long; 1/4" Male NPT(National Pipe Thread) Brass Ends