Aoibox 12 in. Aluminum Shutter Exhaust Fan in Silver, High-Speed 1620RPM, 940 CFM, 2-PACK

The shutter exhaust fan is perfect for removing excess heat, moisture, and unpleasant odors from virtually any commercial location, including restaurants, factories, warehouses, and greenhouses. This fan features aluminum blades, SDOC-compliant wire guards and automatic shutters that open and close in tandem with the operation of the fan. The completely enclosed motor is thermally protected and permanently lubricated.