Medium Duty Exhaust Fan Propeller Dia 42 In. CFM @ 0.000-In. SP 19 480 Sones @ 0.000-In. SP @ 5 ft 18.3 Sones @ 0.250-In. SP @ 5 ft - Max Inlet Temp 104 Degrees F Voltage 208-230/460 60 Hz 3 Phase Full Load Amps 3.2-3.2/1.6 Motor HP 1 Max BHP 1.15 Bearing Type Regreasable Pillow Block Motor RPM 1750 Motor Type 3-Phase Motor Enclosure Totally Enclosed Fan-Cooled Motor Insulation Class F Fan RPM 418 Height 46 In. Width (In.) 46 Max Depth 23-1/2 In.