Belt Drive Whole House Fan With Automatic ShutterBelt drive whole house fan with white powder-coat finish shutter. 2-speed, thermally protected 1/3 HP PSC motor. Precision balanced aluminum fan blade assembly. 4 fan blades for greater air movement. Includes 2-speed switch and wall plate. Joist-in or joist installation. Ceiling mount application only. Dual ball-bearing technology. 24" whole house f
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