HP: 1/20 Amperage: 0.77 A CFM: 224 Bearings: Ball Voltage: 115 V RPM: 1640 Electrical Type: PSC Outlet Shape: Rectangular Flanged Enclosure: ODP Phase: 1 Rotation: CW Material: Galvanized Steel Frequency: 50/60 Hz Wheel Diameter: 5 1/8" Current: AC Wheel Width: 5 5/16" Shaft Diameter: 8 mm Flange: 5 1/2" x 5" Outlet Height: 3 5/8" Outlet Width: 4 1/8" Inlet Diameter: 4 5/8" Number of Inlets: 1 Duty: Continuous Motor Diameter: 3.3" Open Motor Has Cast-Aluminum End Shields for Greater Heat Dissipation, Resulting in Less Downtime and Longer Service Life; This Dayton Dynamically Balanced Blower Mounts in any Position and Operates with Minimal Noise and Vibration, to Maintain cfm at Higher Static Pressures