High Pressure Regenerative Blower Phase Three Output Power 30 hp Maximum Operating Pressure 139 in wc Maximum Flow Rate 791.06 cfm Maximum Vacuum 110 in wc Voltage 220/275V AC 380/480V AC Inlet Size 4 in Inlet Type MPT Inlet Gender Female Outlet Size 4 in Outlet Type NPT Outlet Gender Female Current Rating 76/44 A Frequency 60 Hz Housing Material Aluminum