30 In. 2-Speed Direct Drive Whole House Fan with Shutter Material_Steel Moves up to 9

Moves up to 9

and screws and locking nuts to successfully assemble and replace your existing exhaust fan or power attic fan blade assembly

powder-coated galvanized steel with a wide base flashing for a secure

making it far more reliable and long-lasting for use in barns

30 In. 2-Speed Direct Drive Whole House Fan with Shutter Material_Steel Moves up to 9High volume home ventilation delivering up to 4,425 CFM of powerful airflow to refresh large residential spaces with 2,000 to 3,000 sq. ft. attics, significantly reducing A C dependency Automatic ceiling shutter that seamlessly opens during operation and provides a 95%+ tight air seal in winter to prevent heat loss Built with a heavy duty steel venturi, aluminum fan blades, and a 2 speed motor designed for quiet, low vibration operation Joist in or