Lachk 18 Inch Shutter Exhaust Fan Aluminum High Speed 1450RPM 2600 CFM Silver with Adjustable Programmable Thermostat

The shutter exhaust fan is perfect for removing excess heat moisture and unpleasant odors from virtually any location including restaurants factories warehouses barns and greenhouses. This fan features aluminium blades automatic shutters that open and close in tandem with the operation of the fan. The completely enclosed motor is thermally protected and permanently lubricated. The fan comes fully assembled out of the box; installation required is the electrical hardwire. This thermostat controls ventilators to promote the equalization of temperatures inside and outside your attic.