Quiet, high-efficiency ventilation for medium grow tents and indoor growing spaces. The AC Infinity CLOUDLINE PRO S6 combines a mixed-flow design with a PWM-controlled EC motor to sustain strong airflow under pressure with low noise and energy use. Its included wired speed controller provides 10 fan-speed settings, while the detachable motor housing makes cleaning and maintenance easier. Compatible with the AC Infinity UIS ecosystem when paired with a compatible smart controller. 150mm duct size, up to 402 CFM airflow and 32 dBA operating noise.