Continental Elite Fuel Fill / Marine Exhaust Hoses are designed for use with gasoline, methanol, ethanol, and diesel fuel in marine applications such as fuel filler neck, fuel tank vent, and exhaust hose. Construction: black chemigum (nitrile) tube; 2-ply synthetic with helix wire reinforcement; black chemivic (nitrile/PVC) wrapped finish cover. Temperature Range: -25 degrees Fahrenheit to 212 degrees Fahrenheit (-30C to 100C). AE Specifications: J1527 USCG Type A, Class 2, Style R2. USCG Specifications: CFR33 183 Subpart J, Fire resistance Type A. WARNING: Do not use hose reducers with this hose unless they meet the same fuel-resistant specifications.