20x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Plant Support This unit combines ultra intensity

This unit combines ultra intensity with maximum longevity

Drop Air produces the humidification you need simply

rapid plant growth

Neutralize or acidify water

20x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Plant Support This unit combines ultra intensityNordic 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.