VEVOR Shutter Exhaust Fan 12 in.940 CFM, 10-Speed Adjustable Wall Mount Attic Fan Ventilation and Cooling for Greenhouses

What's the best way to beat the heat? Our Exhaust Fans are the quickest and most effective solution. Summer heat, humidity, and odors are dissipated with a single fan. When not running in winter, the shutter will close automatically, keeping your house warm and your fan secure from rain. Equipped with an EC motor and intelligent controller, the worry-free control with low energy consumption can comfort you all summer long! Start creating a healthy, secure home environment today with VEVOR!