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 controller • Compatible with CLOUDLINE smart controllers for advanced automation • Dual ball bearings rated for 67,000 hours of operation • Detachable motor box for easy cleaning • IP44-rated for dust and moisture resistance Applications • Ventilating hydroponic grow tents and indoor grow rooms • Cooling AV closets, server racks, and equipment cabinets • Bathroom or attic air movement • Odor control and air exchange in small rooms • Heating and cooling transfer between rooms Product specifications Specification Details Manufacturer AC Infinity Inc. Product Name CLOUDLINE A4 Model AI-CLA4 UPC 819137021747 Duct Size 4" Fan Dimensions 7.48 x 11.89 x 6.93 in (19.0 x 30.2 x 17.6 cm) Mounting Hole Distance 3.15 x 2.36 in (8.0 x 6.0 cm) Screw Hole Size Ø 0.197 in (0.5 cm) Cord Length to Controller 72 in (6 ft) Cord Length to Plug 72 in (6 ft) Controller Dimensions 3.34 x 2.95 x 0.51 in (8.5 x 3.6 x 1.3 cm) Airflow 165 CFM Noise 29 dBA Max Speed 2800 RPM Static Pressure 324 Pa Voltage 100–240V AC Frequency 50/60 Hz Max Power Draw 35 W Average Power Usage 18 W Current 0.55 A Power Connector US Plug (NEMA 5-15 Type B) Operating Humidity 35–85% RH Operating Temperature 32–140°F Ingress Protection IP44 Fan Bearings Dual ball Mounting Positions Horizontal or vertical Life Expectancy 67,000 hours What’s included • CLOUDLINE A4 inline fan • 10-speed fan controller • UIS to 4-pin Molex dongle • Mounting hardware • Installation manual