12V DC DEF Transfer System (Automatic Shut-off) Diesel Exhaust Fluid (DEF) is now required with diesel engines. . However, this fluid is highly corrosive and can damage many materials including brass, copper, most plastics and non-stainless steel. . The #9072 DEF Transfer System is a complete turnkey solution, powered by an innovative and durable 6 GPM 12V DC pump for transferring DEF. . The kit includes a automatic shut-off transfer nozzle and intake and output hose with corrosion- fittings. . Featuring a handheld, portable design, the DEF Transfer System will outfit your shop with the right equipment for extracting and refilling DEF tanks. Features and Benefits:. A complete, DEF-rated, turnkey solution for transferring DEF (Diesel Exhaust Fluid). High-flow automatic shut-off transfer nozzle. Corrosion- fittings . Battery-powered. Includes. High Quality 9GPM Pump. +/- Battery Leads. DEF-Rated Intake and Output Hoses 9072A