Product Description 's Louver Exhaust Fan With just one fan, you can dispel the heat, humidity, and odors of summer. It can provide excellent ventilation for any space, making your living space cooler and more comfortable all year round. When not in operation in winter, the blinds will automatically close, which can maintain indoor warmth and ensure that the fan is not affected by rainwater. Excellent ventilation effect Air flow: 1000 CFM. Speed: 1600 rpm. Suitable for removing excess heat, moisture, dust, and odors from any residential or commercial space. Strong motor The fully enclosed motor has thermal protection and permanent lubrication functions, making it easy to maintain. Automatic shutter Gravity aluminum alloy louvers can automatically close when powered off or not in use to prevent rainwater from entering. Heavy duty performance Adopting galvanized steel frame and aluminum alloy fan. Completely assembled The attic exhaust fan can be easily installed at window openings or wall openings. Ventilation everywhere Satisfy the cooling and ventilation needs of rooms, barns, garages, attics, or small enclosed work areas Specifications Model: VV-ACPQS-12 Power: 72 W Air Volume: 1000 CFM Material: Aluminum Alloy, Galvanized Steel Voltage: AC 120 V / 60 Hz Certification: FCC Rotating Speed: 1600 RPM Weight: 8. 8 lbs / 4 kg Color: Silver Package Content 1 x Shutter Exhaust Fan 12" Duct 1000 CFM Aluminum Alloy, Galvanized Steel Shutter Exhaust Fan, Silver 12'' Exhaust Fan: Dimensions: 15 x 15 inch Airflow: 1000 CFM FCC Listed Speed: 1600 rpm Effectively eliminates heat, humidity, unpleasant odors, and dust from various spaces High Performance: Operates at 120V/60Hz with a power consumption of 72 W Features a premium motor that maximizes airflow while minimizing noise and energy usage Durable Construction: Built with a rugged all-metal structure, including a galvanized steel frame and aluminum alloy fan and shutter, ensuring resistance to weather, liquids, and dust Easy Installation: Comes fully assembled for quick installation Includes 4 bolts for mounting, eliminating the need for complex wiring Versatile Use: Ideal for garages, workshops, chicken coops, sheds, attics, greenhouses, and more, providing reliable ventilation throughout the summer