AC Infinity AIRLIFT S20, Shutter Exhaust Ventilation Fan 20", Speed Controller

Description High-Airflow Shutter Fan: This large fan is specially designed for the removal of stale air, ventilating greenhouses, garages, and more. The fan features a 10-level speed controller that deploys PWM technology to generate precise airflow. The innovative EC motor with PWM control enhances airflow while reducing energy consumption and noise level. It is protected by an IP44-rated frame which comprises steel shutters and fan blades that resist moisture and dust while blocking debris. Product specifications: Fan Size: 20” and Dimensions: 23.0 x 23.0 x 11.2 in. It shows an Airflow: 3425 CFM and Noise: 65 dBA and offers Dual Ball Bearings. Product Description: The shutter exhaust fan is designed to improve ventilation in large spaces such as warehouses, greenhouses, garages, and workshops. By installing this exhaust fan, it refreshes your workspace by regulating heat, moisture, and odor levels, thereby enhancing comfort. Run by a PWM-controlled EC motor, it is energy-effic