Used as a fill neck hose, this product can carry leaded, unleaded,oxygenated fuels with aromatics of up to 30%, gasohol and diesel fuel. This hose is suitable for use on passenger cars, light trucks, boats and auxiliary fuel tanks on RV's. This product is similar to SAE 30R7 specifications and its rugged construction helps prevent hose collapse. Temperature Resistance: -34°F to +257°F