The 12" Wall Mounted Shutter Exhaust Fan with Thermostat is a powerful and efficient indoor ventilation solution. With a blade length of 12 inches and a speed of 1650 RPM, this fan can move up to 960 cubic feet of air per minute, making it ideal for use in bathrooms, bedrooms, garages, and kitchens. The included Thermospeed Controller allows for automatic shutter operation and temperature control, while the durable construction with corrosion-resistant materials ensures long-lasting performance. Additionally, the fan features a permanent lubricated motor and a 1-year limited component warranty for added peace of mind.