CLOUDLINE S4 - 4" Duct Fan /w Inline Speed Control lighting_accessories Designed for commercial production

Designed for commercial production

So do us a favor and treat our Coco Coir (or whatever growing medium you use) with CalMag

Maximize the growing space in your greenhouse

Can cut up to 1

average yield at 2

CLOUDLINE S4 - 4" Duct Fan /w Inline Speed Control lighting_accessories Designed for commercial productionDesigned to quietly ventilate grow tents, transfer heating cooling to rooms, circulate fresh air, and cool AV closets. Features an 8 speed manual controller utilizing PWM. See T Series for temperature and humidity controls. Mixed flow design combined with a PWM controlled EC motor for a truly quiet and energy efficient performance. Kit also includes corded AC power adapter, installation manual, and all necessary mounting hardware. Duct Size: 4