Ring Compressor Phase Single Output Power 1 hp Maximum Operating Pressure 54.3 in wc Maximum Flow Rate 98 cfm Maximum Vacuum 50 in wc Voltage 115/230V AC Inlet Size 1 1/2 in Inlet Type NPT Inlet Gender Female Outlet Size 1 1/2 in Outlet Type NPT Outlet Gender Female Current Rating 8.6/4.3 A Frequency 60 Hz Housing Material Aluminum