11 in Backward Curve Motorized Impeller, Permanent Split Capacitor, 992 cfm CFM @ 0.000-In. SP, 230V This listing is for each. Technical Specification Item Motorized Impeller Impeller Type Backward Curve Motor Type Permanent Split Capacitor Fan Dia. 11 in CFM @ 0.000-In. SP 992 cfm Voltage 230V AC Amps 0.59 A Watts 105 W dBA 67 Max. Ambient Temp. 104 Degrees F Depth 5 in Bolt Circle Dia. 2 1/4 in Blade Material Galvanized Steel Mounting Position All Position Except Rotor Up Hz 60 Thermal Protection Auto Standards UL Component Recognized Motor