Pumps 3.2 GPM. Air operated for integration into dispensing system. Smart design with fewer parts for less pump wear & tear. One year warranty. Differential air motor ensures smooth pumping. Typical fluids handled include motor oil, synthetic oil, hydraulic oil, gear oil, and automatic transmission fluid. Double action. Supplied w/adjustable 2” bung adapter, two piece steel extension, foot valve and strainer. Suitable for use of oil to 150SAE.