High Flow Direct Drive Blower Phase Single Output Power 1 hp Maximum Operating Pressure 8.8 in wc Maximum Flow Rate 478.2 cfm Maximum Vacuum Not Available Voltage 120/240V AC Inlet Size 100 mm Inlet Type Flange Inlet Gender Not Available Outlet Size 151 mm Outlet Type Flange Outlet Gender Not Available Current Rating 9/4.5 A Frequency 60 Hz Housing Material Aluminum