AC Infinity AIRTITAN S3, High Airflow Fan System 6" with Speed Control, for Equipment Room Closet Cabinet Cooling A powerful fan system designed for cooling equipment rooms, closets, and cabinets. Features a multi-speed controller to set the fans speed to optimal noise and airflow levels. Heavy-duty fans are sealed to IP55 specifications to be highly resistant to liquids and dust. High airflow and static pressure fans performs well even in restrictive environments. Dimensions: 6.3 x 6.3 x 1.3 in. | Airflow: 112 CFM | Noise: 46 Dba | Bearings: Dual Ball