Corrosion Resistant Exhaust Fan Kit 3 Phase Corrosion Resistant Unassembled Blade Dia 12 In. Propeller Dia 12 In. Number of Blades 6 Motor RPM 3250 Full Load Amps 0.62 Assembled/Unassembled Unassembled Voltage 460V 60 Hz CFM @ 0.000-In. SP 2900 CFM @ 0.050-In. SP 2850 CFM @ 0.125-In. SP 2775 dBA @ 7 Feet 61 Max Ambient Temperature 140 Degrees F Motor HP 0.33 Motor Type Three Phase Motor Enclosure Totally Enclosed Air Over Motor Insulation Class F Bearing Type Sealed Ball