Upgrade your ventilation system with the 12 in. Aluminum Shutter Exhaust Fan, designed to handle the toughest environments. Whether it's a residential attic, a bustling workshop, or a sprawling greenhouse, this fan efficiently removes heat, moisture, dust, and unpleasant odors, ensuring a fresh and comfortable atmosphere. Built with high-grade aluminum, it resists corrosion and withstands high temperatures, promising durability and long-lasting performance. The automatic gravity shutters open and close seamlessly with the fan's operation, providing effortless ventilation. Installation is a breeze with the included power cord kit, featuring a 3 ft. strain relief clamp and wire connectors. With a powerful 1800 CFM airflow, this fan operates at 1650 RPM, delivering superior cooling and ventilation for large spaces. Experience the reliability and efficiency of this industrial-grade shutter fan, designed to meet all your ventilation needs. Color: Silver.