Heavy Duty Exhaust Fan Propeller Dia 30 In. CFM @ 0.000-In. SP 14 990 Sones @ 0.000-In. SP @ 5 ft 31 Sones @ 0.250-In. SP @ 5 ft 32 Max Inlet Temp 104 Degrees F Voltage 208-230/460 60 Hz 3 Phase Full Load Amps 6.0-5.8/2.9 Motor HP 2 Max BHP 2.30 Bearing Type Regreasable Pillow Block Motor RPM 1735 Motor Type 3-Phase Motor Enclosure Totally Enclosed Fan-Cooled Motor Insulation Class F Fan RPM 1087 Height 34 In. Width (In.) 34 Max Depth 20 In.