12-Inch Wall-Mount Shutter Exhaust Fan with Adjustable Speed, Automatic Louvers, Durable Steel Frame, Quiet Operation, Ideal for Ventilation in Attics, Garages, Barns, Greenhouses, and Workshops

Features

• Efficient Air Circulation: This shutter exhaust fan provides an airflow of 4499 CFM, effectively removing stale air, dust particles, heat, and unpleasant odors to maintain a fresh indoor environment. It is also ideal for use as a high-capacity ventilation fan in sheds and workshops.
• Adjustable Airflow Control: Experience seamless airflow adjustment with the stepless variable-speed feature. The provided controller allows you to fine-tune the fan's output, ranging from a mild breeze to a strong flow, catering to diverse ventilation requirements.
• High-Performance AC Motor: Operating at 1500 r/min with a 127W power output, this attic fan ensures efficient airflow of up to 10 m/s. It functions quietly and steadily, providing effective ventilation for a more comfortable and peaceful environment.
• Durable Construction: The steel casing ensures excellent rigidity and resistance to deformation, making it more reliable in damp environments and rainy conditions compared to plastic. Designed to withstand the challenges of attic ventilation and exhaust systems.
• Weather Protection: The shutters automatically open when the fan is in use, allowing for ventilation and odor removal, and close when turned off to shield against rain and small debris, ensuring consistent and safeguarded airflow.