13x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Grow Light Bulbs Prevents and remedies calcium and

Prevents and remedies calcium and magnesium deficiencies

OMRI listed for use in organic farming

even distribution

Free from pathogens and seeds

Do not add PK 13-14

13x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Grow Light Bulbs Prevents and remedies calcium andNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.