Active Air Carbon Filter GH Made in the USA from

Made in the USA from an ISO 9001:2015 Certified Facility and are 100% Quality and Performance Tested

All of the D-14 Series dosers include a mounting bracket

the full spectrum ROI-E420 meets all demands of growers looking for a natural light spectrum

Low ppm/EC and tested for heavy metals

a naturally beneficial soil microbe

Active Air Carbon Filter GH Made in the USA fromActive Air Carbon Filters are loaded with virgin activated Australian granular carbon. This carbon adsorbs VOC's (volatile organic compounds) therefore trapping every odor molecule that passes through the filter onto the micro porous carbon surface. These filters are light weight and incredibly effective at removing the most potent and dankest odors. Each filter is machine packed and includes a pre filter. Attached flange 1. 8" carbon bed depth Powder