Direct 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-out installation - ceiling mount application only. 24" whole house fan is appropriate for homes with 1200 to 2000 sq. ft. attics. Requires a
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