Earls Vapor Guard™ submersible fuel hose is ideal for use inside fuel tanks to attach the in-tank fuel pump or pickup. Most other fuel hoses are designed to handle fuel only on the inside of the hose & can cause damage to the hose when submersed in fuel. Ideal for use with race gas, pump gas, alcohol & ethanol blend gasoline, biodiesel, and diesel fuel. Available in 5/16 in. or 3/8 in. sizes and sold in 2-foot lengths.