Attwood has engineered the industry's only comprehensive EPA certified fuel tank-to-engine solution. Tough materials and innovative design stand up to harsh marine conditions. 6 gallon tank adapts to virtually any outboard engine. Automotive-grade, multi-layer construction withstands the pressure build-up associated with closed fuel systems. Cap with built-in vacuum valve means no need for manual venting. Complies with all ABYC/NMMA requirements for portable marine fuel tanks. Red.