About the item: MULTIPURPOSE:KEN BROWN 12 Inch Shutter Exhaust Fan is perfect for removing heat, moisture, dust and unpleasant odors from any residential ,commercial, industrial or agricultural space. Ideal for use in home attic, workshops, welding rooms, factories, warehouses, barns, and greenhouses. CORROSION RESISTANT: This 12 exhaust fan is made with high-grade aluminum shutters and blades which can withstand moisture…