The Gates 250' AB Series Air Brake Hose is an extra heavy duty hose designed to fit most air brake systems. This hose is constructed with superior EPDM rubber that resists the damaging effects of ozone, heat, and weathering. It is designed to be used as a flexible connector between frame and axle and exceeds SAE J1403 and Type H requirements. This hose has a length of 250', an inside diameter of 0.375". FleetPride is your First Click in Heavy Duty®.