ATP's hose features a polyurethane inner and outer tube. Rugged and durable in demanding environments. Lighter in weight than ordinary rubber hose. A sturdy, nylon-reinforced braid between the inner and outer tube allows for a higher working pressure than standard polyurethane. Lighter in weight and superior to rubber hose which eventually breaks down, leading to contamination of air systems. Translucent colors will allow you to see any impurities in your air system. Supplied with reusable fittings and bend restrictors. Heat, cold and oil resistant.