The HP-100 Dual Flo(R) action piston hand pump is a premium hand pump that is reliable and versatile. For high-volume fuel transfer, use the high handle position; the HP-100 generates twice the flow of any other hand pump with up to 50 gallons per 100 strokes. This premium pump moves fluid on both push and pull strokes and has a lockable handle. This hand pump has die-cast aluminum housing, lightweight construction, a stainless steel piston shaft and liner, and a built-in air valve to prevent leakage at the nozzle. Buna-N seals. To be used with either Kerosene, Gasoline (up to 15% alcohol blends such as E15), Diesel fuel (up to 20% biodiesel blends such as B20), Petroleum products such as medium oil (up to 30W), or hydraulic fluid. | Great Plains Inc HP-100 Dual Flo Action Piston Hand Pump