24 In. 2-Speed Direct Drive Whole House Fan with Shutter Dome_Steel and easily collapses into a

and easily collapses into a bag for storage when it's not needed

vibration-reducing feet

Gracefully curved grille for efficient airflow

cramped working spaces around corners

High velocity airflow up to 10

24 In. 2-Speed Direct Drive Whole House Fan with Shutter Dome_Steel and easily collapses into aHigh velocity home ventilation that moves up to 2,985 CFM on high to efficiently cool homes with 1,200 to 1,800 sq. ft. attics, significantly reducing A C costs Automatic ceiling shutter that opens during use and maintains a 95%+ air closure in winter to trap heated air Quiet & durable engineering, built with a steel venturi, precision balanced galvanized steel blades, and a 2 speed motor designed for low vibration Joist in or joist out installation.