15x15x1 Exact MERV 12 AC Furnace Filters 6 Pack extraction Gold Label Coco is an

Gold Label Coco is an ideal hydroponics substrate: It's an organic material and a renewable resource

and is relatively non-toxic

Calibration is fast and easy with knobs located on the front panel of the instrument

Can be used in conventional or organic growing

Fan Size: 4

15x15x1 Exact MERV 12 AC Furnace Filters 6 Pack extraction Gold Label Coco is anNordic Pure MERV 12 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different