All Scepter tanks are molded from UV-stabilized, high-density polyethylene for excellent durability. New tooling and better quality finish result in superior tank that's designed for long-lasting use. Ethanol and Alcohol compliant. Fuel tank meets ABYC/EPA/CARB standards. Low permeation tank virtually eliminates fuel evaporation and retains octane value longer. Automatic air inflow valve system. 24.5"L x 18.1"W x 11.5"H.