The Exhaust Shutter Fan is the perfect solution for maintaining a comfortable and healthy environment in your workspace or home. Featuring a heavy-duty extruded aluminum shutter, a high-performance motor, and a balanced blade series, this fan is designed to provide exceptional performance and reliability.Available in sizes ranging from 12" to 24", the fan's heavy-duty, high-efficiency motor is built to withstand even the harshest environments. Additionally, the powder-coated intake guard is highly resistant to corrosion, ensuring that the fan remains safe and strong for years to come.With its quiet and balanced heavy aluminum blade, this fan is engineered to move maximum air while maintaining energy efficiency. The motor and blade are carefully matched to optimize performance and minimize energy consumption.