Smart, quiet ventilation for compact grow tents and indoor growing spaces. The AC Infinity CLOUDLINE PRO T4 pairs a 100mm mixed-flow EC inline fan with the Controller 69 PRO for automated temperature, humidity and VPD control. Wi-Fi and Bluetooth connectivity enable remote monitoring, schedules and dynamic fan-speed control through the AC Infinity app. The detachable motor housing simplifies cleaning, while the energy-efficient EC motor maintains strong airflow under pressure with low operating noise. Includes 10 speed levels and UIS ecosystem compatibility. 100mm duct size, up to 205 CFM airflow and 28 dBA operating noise.