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Calcium Carbonate
2 tricoderma species and 17 bacterial species well suited to a variety of soils
nurseries and indoor growing
or black fly
15x15x1 Exact MERV 13 AC Furnace Filters 6 Pack lamps Calcium CarbonateNordic Pure MERV 13 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200
