The CLOUDLINE PRO S6 is a powerful fan system created to transfer heating and cooling to grow spaces along with circulating fresh air.With a 10-speed fan controller, this ventilation device is extremely quiet in all types of environments, even in those with restricted air movement.Compatible with all UIS controllers with intelligent programming, the CLOUDLINE PRO S6 is versatile and can be mounted in all directions. Highly energy-efficient and silent, the PWM-controlled motor performs great without heating even in high static pressure environments. The unit handles liquids and dust seamlessly making it extremely durable for long-term use. This system is suitable for rooms, grow tents, racks and closets. The backup memory is extra useful in situations where the power is cut off.