Mescukay 24" Aluminum Shutter Exhaust Fan, Wall Mounted Shutter Exhaust Fan, 3500 CFM High Speed Louvered Vent Fan with Automatic Shutter for Garage, Attic, Workshop, Greenhouse

Powerful Ventilation: The low noise 20/24 inch shutter fan delivers impressive airflow at 3500 CFM, with a power rating of 150W and a speed of 1500 RPM, making it perfect for large spaces while fitting seamlessly in any 24-inch design Automatic Protection Design: Equipped with an automatic self-closing protection feature, this quiet 20/24 inch shutter exhaust fan opens and closes automatically with the fan's operation, extending the motor's lifespan during winter's downtime Built to Last: Constructed with high-grade aluminum blades, this heavy duty 20/24 inch shutter fan resists humidity and high temperatures, ensuring reliable performance and preventing corrosive rust, making it perfect for workshop use Easy Installation: As a fully assembled 20/24 inch wall mounted shutter fan, installation is effortless—simply mount the frame on the wall, connect the power cord (power cord not included), and enjoy immediate ventilation in your workspace Multi-Purpose: This energy efficient 20/24 inch exhaust fan circulates air effectively to reduce indoor temperatures and improve air quality, making it suitable for home attics, workshops, welding rooms, factories, warehouses, barns, and greenhouses