Description: -12'' Shutter Exhaust Fan: Dimensions: 15 x 15 inch; Airflow: 900 CFM; Speed: 1600 rpm. Our high-airflow exhaust fan can eliminate heat, humidity, unpleasant odor, and dust from rooms, buildings, and small enclosed work areas. Get ready to relax and in clean air in all your rooms. -Intellective Programming: We are equipped with an intelligent controller! Not only do you have temperature and humidity triggers, but it also allows you to set up to 10 speeds that will respond to changes in them. You won't miss a thing and will always be ready to adapt! There are multiple modes, allowing you to adjust as you wish. Timer and alarm modes are available on demand. .
eBay