MULTIFAN S7 - Dual 120mm USB Fan /w Speed Control PH/EC/TDS Meters and Solutions the nutrient delivery system for

the nutrient delivery system for smaller grows

two buffer options

Derived naturally from Soft Rock Phosphate and kelp

A powerful blend of all natural ingredients and 29 different strains of mycorrhizae and beneficial microbes

MULTIFAN S7 - Dual 120mm USB Fan /w Speed Control PH/EC/TDS Meters and Solutions the nutrient delivery system forUltra quiet UL certified USB fans designed to cool various electronics and components. Features a multi speed controller to set the fans speed to optimal noise and airflow levels. Dual ball bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright. USB plug can power the fan through USB ports found behind popular AV electronics and game consoles. Dimensions: 4. 7 x 4. 7 x 1 in. per fan Total Airflow: 104 CFM Total