Ring Compressor Phase Three Output Power 0.33 hp Maximum Operating Pressure 34.8 in wc Maximum Flow Rate 42 cfm Maximum Vacuum 33 in wc Voltage 200-230/460V AC Inlet Size 1 in Inlet Type NPT Inlet Gender Female Outlet Size 1 in Outlet Type NPT Outlet Gender Female Current Rating 1.2/0.6 A Frequency 60 Hz Housing Material Aluminum