Balcrank’s Medium Duty Piston Pump Lightweight Double Wall Oil Dispense Tank Packages features inner tank made of blow-molded, high-density, seamless polyethylene that is leakproof and will never corrode. Additionally, the outer tank is made of weld-free galvanized steel and roll seamed with an oil and fire-resistant seal, and holds 110 percent of inner tank for maximum protection. Extremely light, up to 50 percent lighter than conventional steel tanks. Can be used for DEF, diesel and bio fuels, motor oil and ATF. Compact, economical design (8 sq. ft. for 1000 l). Wide handles on each end allow for easy handling and transportation.