This is a 5:1 ratio pneumatic oil pump with air regulator and is rated for up to 3.7 GPM. 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, dip tube (reaches up to 37″ below tank seal) and foot valve. This pump will consume 3.9 CFM. This pump comes with a 2 year warranty.