30 In. 2-Speed Direct Drive Whole House Fan with Shutter Material_Steel significantly extending the fan's life

significantly extending the fan's life in dusty agricultural settings

BF30DD RED

ICF72: Circulates air in large to extra large spaces up to 2

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 significantly extending the fan's lifeHigh 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