AC Infinity CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller, EC Motor – Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

Designed to ventilate grow tents, transfer heating/cooling to rooms, circulate air, exhaust odors, and cool AV racks.
Features an 8-speed manual controller utilizing PWM. See T-Series for temperature and humidity controls.
Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.
Kit also includes corded AC power adapter, installation manual, and all necessary mounting hardware.
Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball