Uimoso 12-Inch Wall-Mounted Exhaust Fan with Automatic Louvers, 1347 CFM
This attic fan is crafted with spiral blades to ensure consistent and effective airflow for improved ventilation. Designed to withstand the challenges of attic ventilation and exhaust systems. Weather Protection: The shutters automatically open when the fan is in operation, allowing for ventilation and odor removal, and close when turned off to shield against rain and small debris, ensuring consistent and safeguarded airflow.