Moeller Below-Deck fuel tanks. Shock and corrosion resistant with polyethylene construction. Machined aluminum 3/8" withdraw fitting has 360º swivel capability. Machined aluminum fill spouts, withdraw, and vent fittings molded directly into the shell. The level sensor is standard (33-240 ohm). Ideally suited for gasoline and diesel use with appropriate return kit. You should add 54mm more for tank height fill spouts included).