CUT COOLING COSTS: Reduce expensive cooling bills at home. Ready to install, our wall-mounted automatic shutter vent fan is designed to help to keep your living space cooler and more comfortable year-round. MULTIPURPOSE: Perfect cooling and ventilation solution for any space at your home - including the attic, garage, shed, and more. Corrosion-resistant, the fully enclosed motor is thermally protected and permanently lubricated for easy maintenance. WEATHER RESISTANT SHUTTERS: Constructed from durable, high-grade aluminum, these shutters can withstand moisture and heat longer than other competitors products adding to the fans longevity. POWERFUL AND EFFICIENT: Small but mighty, youll enjoy the power and efficiency of iLivings Shutter Exhaust Fan. The 12-inch runs on standard 120 Volts at 1/20 HP, 0.60 Amps with 1610 RPM. Cooling and ventilating an area of 960 cubic feet per minute! VARIABLE SPEED: Customize your comfort with adjustable speed functionality via ILG8SFSC (sold separat