Compatible with ethanol blended fuels, Engineered low permeation material prevents fuel evaporation. INCLUDE - The marine boat fuel line assembly includes a premium quality rubber bulb(a free primer bulb for you)and 6ft 3/8in fuel hose,360° stainless steel hose clamps. FITMENT - This is universal fuel line and as such do not come with engine or tank fittings,Suitable for Boats, RVs, Tractors, and Caravans. FUNCTION - Keep your fuel line operating at peak performance with our BARTOO fuel line assembly,and ensure your outboard motor runs smoothly. NOTICE - This is rubber product, please do not store this item under direct sunlight or other rough environment.