About this item HIGH SPEED EXHAUST PERFORMANCE: This 8/10/12 inch metal exhaust fan is equipped with a powerful motor that can provide an airflow speed of 988 CFM, making it very suitable for various enclosed spaces, such as kitchens, bathrooms, warehouses, workshops, shops, and attics, to eliminate odors and improve air quality. SAFE METAL FRAME: The window fan adopts a thickened stainless steel protective cover, with a polished surface to prevent foreign objects from flying in…