Vacuum Pump, Output Power 1 hp, Phase Single, Voltage 115/230V AC, Maximum Flow Rate 17.7 cfm, Maximum Vacuum 0.0001 torr, Inlet Size 1 5/8 in, Inlet Type NPT, Outlet Size 1 5/8 in, Application Commercial Chillers, Designed for Removing Air, Moisture From Industrial, Maximum Discharge Pressure 0 mbar, Maximum Operating Pressure 0 psi