AC Infinity - Cloudline S4 Inline Duct Fan

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Cloudline Pro S4, Quiet Inline Duct Fan System With Speed Controller, 4-Inch Designed to quietly ventilate grow tents, transfer heating/cooling to rooms, circulate fresh air, and c ool AV closets. Features a wired 10-speed fan controller; also compatible with all UIS controllers with intelligent programming. PWM-controlled EC motor provides quiet and energy-efficient performance with minimal heat and noise. Mixed flow design with stator blade and hydrodynamic wind circles enables airflow delivery in high resistance areas. Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball Show more