Barrier lined low permeation A1-15 and A1-10 marine fuel hose. 2 spiral reinforcement with barrier liner on inside surface of tube. Resistant to fuels, fire, heat, cold, ozone, aging and permeation. CE certified, CARB & EPA compliant. SAE J1527, USCG type A1, ISO 7840 A1, ABYC H-24 & H-33. 5 year warranty. ID 5/16" OD 39/64" Length 50' Bend 1-3/4" Working Pressure 100#