TPI Air Circulator, 1-Phase High Performance Maximum Duty Unassembled, 30 in Blade, 8200 cfm High, 6200 cfm Low, 1100 rpm High, 800 rpm Low Speed, 1/3 hp Power, 120 V AC, 3 A, 2 Speed, 3 Blades, Switch Control, Paddle Blade, Aluminum Blade, Split Capacitor Motor, Hinged Guard, Steel Housing Material, Surface Mounting, 33-1/2 in Dia x 14-1/2 in D Dimensions, Domestic