6x10x1 Exact MERV 12 AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs All S-Line models are assembled

All S-Line models are assembled with high impact resistant polycarbonate casings

15' temperature and humidity sensor with photocell

a rare form of ancient plant material with the highest Humic Acid content found in any naturally occurring source

4 x Matrix Pad | 10

6x10x1 Exact MERV 12 AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs All S-Line models are assembledNordic 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