4/6/8 Inches EC Duct Fan With Controller

Designed to ventilate hydroponic grow rooms, transfer heating/cooling, cool AV closets, and exhaust odors.
Intelligent controller with temperature and humidity programming, fan speed control, timer, and alarm system.
Mixed flow design combined with a PWM-controlled DC or EC-motor for a truly quiet and energy efficient performance.
Kit also includes corded sensor probe, AC power plug, two duct clamps, and required mounting hardware.

（Mobile terminal：Slide the sheet to the right to see more）

Size	Dimensions(in.)	Airflow(CFM)	Noise(dBA)	Bearings
4inch	6.9 x 11.9 x 7.4	205	28	Dual Ball
6inch	7.9 x 12.6 x 8.4	402	32	Dual Ball
8inch	8.5 x 11.9 x 9.2	807	39	Dual Ball