FUEL/OIL TRANSFER HAND PUMP Brand new, GPI model HP-90 hand pump. Economy priced hand pump with proven reliability for pumping petroluem products. Dual-action piston to pump fluid on both the push and pull strokes for fast fuel transfer. Designed for use with gasoline (up to 15% alcohol blends such as E15), diesel fuel (up to 20% biodiesel blends such as B20), kerosene and up to 10 wt oil. Features include corrosion resistant cast aluminum housing, 2" NPT male tank mount, trim-to-fit suction pipe, anti-siphon valve and self-priming pump.