CLOUDLINE A4, Quiet Inline Fan with Speed Controller, 4-Inch

  Designed to quietly ventilate grow tents, exhaust odors, transfer heating/cooling to rooms, and cool AV closets. Features the same build quality and innovations as the CLOUDLINE Series delivered in a value package. Includes a wired 10-speed fan controller; also compatible with all CLOUDLINE Series smart controllers. Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance. Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 165 CFM | Noise: 29 dBA | Bearings: Dual Ball Product Description This inline fan system packs the CLOUDLINE’s core innovations and premium build quality together to bring you a value package. Designed to quietly cool grow tents, rooms, and closets, and provide ventilation in various air circulation and exhaust projects. Containing an inline mixed-flow design, the duct fan can maintain airflow even in high static pressure applications. The motor box containing the fan’s impeller and blades can be detached f