AC Infinity Cloudline PRO S4 4" Duct Fan with Speed Controller

The AC Infinity Cloudline S4 4 Duct Fan with Speed Controller is a versatile ventilation exhaust fan designed for various applications. It is ideal for quietly ventilating grow tents, transferring heating/cooling to rooms, circulating fresh air, and cooling AV closets. This fan features an 8-speed manual controller utilizing PWM technology for precise control. With a mixed flow design and a PWM-controlled EC-motor, it delivers a quiet and energy-efficient performance. The kit includes a corded AC power adapter, installation manual, and all necessary mounting hardware, making it easy to set up and use. With a duct size