Air King 9214 Industrial Grade Floor Fans Ideal for Use in Offices, Stores, Garages, Warehouses, and Any Other Industrial Space that Needs Powerful Air Circulation. Motor 3-Speed, 1/20 HP, 120V, 1 Phase, Totally Enclosed, Ball Bearing, Permanently Lubricated, Permanent Split Capacitor Controls Side Mounted Switch Power Cord Black, 9', 3-Conductor, SJT Type Coating Blade, Guard, and Mounts are Powder Coated Steel Compliance UL, OSHA Blade Size: 18 Product Dimensions: 18 11/16 L x 9 W x 18 H CFM/RPM High: 1650/1498 CFM/RPM Med: 1470/1296 CFM/RPM Low: 1180/934 AMPS/WATTS High: .58/63 AMPS/WATTS Med: .50/56 AMPS/WATTS Low: .44/48 dBA High: 58 dBA Med: 55 dBA Low: 48