The CLOUDLINE Series inline duct fan system is designed to ventilate hydroponic grow rooms, transfer heating/cooling, cool AV closets, and exhaust odors. T-series models include an intelligent controller with temperature and humidity programming, fan speed control, timer, and alarm system. Features a high static pressure mixed flow design, combined with PWM controlled DC-motors to ensure a quiet and energy efficient performance. For more information, please visit: https://www.acinfinity.com/duct