This Vevor wall-mount shutter exhaust fan features a 24-inch aluminum blade and AC motor housed in a unit measuring 28.5 inches wide by 28.5 inches tall. It provides 3320 CFM of airflow at 1300 RPM, making it well-suited for ventilating garages, barns, workshops, greenhouses, and utility rooms. The shutter design opens automatically when the fan is running and closes when off to prevent backdraft. Like-new, in-box condition with no damage or missing parts. Model #AMZ-FAG24.