U-GO Silent EC Extraction Fan. From the makers of Phresh (Hyperfan’s). Top Performance Fans with the Bonus of Silent Running. Want all the features of top-performing fans with the bonus of silent running? The U-GO range of silenced fans gives you this and more. Sizes range from 6″ to 12.5″, and a digital fan controller is supplied in every box. Choose U-GO silenced EC fans with sound-absorbing foam that guarantees quiet running without compromising airflow. The U-GO range of fans is what you need for the ultimate ventilation setup. Good ventilation will extract hot, stale, CO2-depleted, humid air from your grow room whilst pulling fresh air full of CO2 in. With fans, silenced fans, and carbon filters available in various sizes, Hytec Hydroponics has the perfect solution, whatever your grow room needs. Supplied with a Free Digital Thermostatic Fan controller. D-Shackles of secure mounting. 9-pole digital EC brushless motor. Higher efficiency (7.85 CFM per watt). Higher linear air-flow output than other fans. Higher static pressure output than other fans. Detachable fully variable speed controller. 0-10V controller compatible via RJ9/RJ11 cable. These listings are private.