Piston Air Compressor/Vacuum Pump, Lubrication Type Oil Free, Number of Cylinders 2, Output Power 0.033 hp, Phase Single, Voltage 115V AC, Maximum Continuous Pressure 33 psi, Maximum Intermittent Pressure 33 psi, Maximum Vacuum 21.3 in Hg, Free Air Flow Rate 0.39 cfm, Maximum Speed 2,900 RPM, Inlet Size 3/16 in, Inlet Type NPT, Outlet Size 3/16 in, Outlet Type NPT, Outlet Gender Female