AC Infinity CLOUDLINE A4 4" Quiet Inline Fan with 10-Speed Controller

The CLOUDLINE A4 is a quiet, energy-efficient inline fan designed to ventilate grow tents, remove odors, cool AV closets, and transfer heating or cooling between rooms. Built with the same core innovations as the CLOUDLINE Series, it delivers premium performance in a value-focused package. Its EC motor with PWM control allows smooth, ultra-low-noise operation, while the mixed-flow design maintains strong airflow even in high static pressure environments. The detachable motor box makes cleaning and maintenance easy, and the included 10-speed controller provides precise airflow control for any application. Compatible with all CLOUDLINE smart controllers, this fan integrates seamlessly into the UIS platform for advanced environmental management. Key features • Quiet 4" inline fan ideal for grow tents, rooms, and AV closets• EC motor with PWM control ensures smooth, low-noise performance• Mixed-flow impeller maintains airflow under high static pressure• Includes 10-speed wired fan controll