AC Infinity - Airlift S12, Shutter Exhaust Ventilation Fan 12", Speed Controller

[shortdesc]  Dimensions 15.75 x 15.75 x 8.15 in. Airflow 830 CFM  Noise 62 dBA [/shortdesc] PRODUCT DESCRIPTION A high-airflow exhaust fan designed to cool and ventilate greenhouses, garages, attics, workshops, and sheds. The system can automatically eliminate heat, moisture, odor, and dust from enclosures, rooms, and buildings. Features an inline speed controller utilizing PWM technology. Innovative EC-motor with PWM-control maximizes airflow while reducing energy consumption and noise levels. Heavy-duty build features aluminum blades, steel wire guards, and steel shutters. Includes everything needed to mount the fan unit and power it through an outlet. PRECISE SPEED CONTROLLER The inline speed controller enables you to set the shutter fan’s speed to optimal noise and airflow levels for various environments. This shutter fan features an EC-motor that is precisely controlled using PWM (Pulse Width Modulation). This technology enables the fan's motor to be able to run smooth