These oilless pumps are very quiet and durable. The 501120 is configured for portability with handle, suction cup feet, side-mounted switch, and power cord. Comes standard with 14 female npt connection and vacuum gauge. Some options are 2- or 3-way ball valves and manifolds.1.3 cfm free air displacement, 25.50 Hg ultimate vacuum18 HP, 1575 RPM, 115V, 60 HzOnoff switch, 5.5 cordVery quiet, oilless operation