Vacuum Pump, Output Power 1.5 hp, Phase Not Applicable, Voltage Not Applicable, Inlet Size 3/4 in, Inlet Type NPT, Inlet Gender Female, Outlet Size 3/4 in, Outlet Type NPT, Outlet Gender Female, Free Air Flow Rate 16.5 cfm, 21 cfm, Maximum Vacuum 21 in Hg, Maximum Continuous Pressure 15 psi, Maximum Speed 1,725 RPM