Trident Hose - B1-15 Epa Fuel Line - 5/16" X 50' - 3050566 Barrier lined B1-15 Fuel Hose for both gasoline (including ethanol blends up to E85) and diesel (including bio diesel blends up to 100%). Exceeds ABYC H-24, SAE J1527, ISO 8469 B1, USCG Type B1-15; CARB & EPA low permeation Type B1-15 requirements and certification; and is NMMA Type Accepted & CE certified. Provides extraordinary resistance to fuel permeation, aging, and also to heat, cold, and the ozone. Also provides excellent bend-ability. Inside Diameter - 5/16" Outside Diameter - 1/2" Length - 50'