RACK ROOF FAN KIT - Dual Fans with Speed Controller Dispensary collodial silver or harsh chemicals

collodial silver or harsh chemicals that can hurt your plants or microbes

meaning you won't need to invest in or calibrate another Oakton pen once you've become comfortable using yours

provides easy

even more so if the you drill the cover for tubing connections and/or cut out a port for adding nutrients

RACK ROOF FAN KIT - Dual Fans with Speed Controller Dispensary collodial silver or harsh chemicalsA quiet fan kit designed for standard 19 racks, to be mounted on the roof or to replace existing fans. Features a speed controller utilizing PWM which can control the fan's speed without generating noise. Compatible with CLOUDPLATE series rack fans and can be linked to share the same programming. Heavy Duty steel construction with spiral fan guards, mounting hardware, and power adapter. Size: Standard 120mm Rack Fans Fans: 2 Airflow 200 CFM Noise: 26