Replacement hose for air compressors and tire installation this professional polyurethane air hose is ideal for up to 300 PSI. 1 / 4 inch hose with NPT end fittings are field-reparable. Bed restrictors at the hose ends help increase the life of the hose and designed to resist twisting. Lightweight hose is smooth and wont marr interior surfaces. Works well in a large temperature range, from -30 degrees to 150 degrees Fahrenheit, and stays flexible even in the cold. 4-year warranty.