APX 3:1 pump and stub for 55gal drum. Pump will pump up to 3.2GPM and will consume 3.9 CFM. Air operated for integration into dispensing system. Smart design with fewer parts for less wear and tear on the pump. Typical fluids handled include motor oil, synthetic oil, hydraulic oil, gear oil, and automatic transmission fluid. Comes with adjustable 2″ NPT bung adapter and dip tube for a 55gal drum. This pump has a 2 year warranty. Does not come with regulator.