Heavy Duty Exhaust Fan Propeller Dia 30 In. CFM @ 0.000-In. SP 11 901 Sones @ 0.000-In. SP @ 5 ft 23 Sones @ 0.250-In. SP @ 5 ft 25 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 1735 Motor Type 3-Phase Motor Enclosure Open Dripproof Motor Insulation Class F Fan RPM 863 Height 34 In. Width (In.) 34 Max Depth 20 In. Venturi Clearance Dia 30-3/8 In.