Nordic Pure 16x24x4 Pleated Air Filters MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
humus and plant nutrients
and foundation(micronutrient) format
please take a look at the AC Infinity HS1238A-X
16x36x1 MERV 14 AC Furnace Filters 6 Pack Nutriants Nordic Pure 16x24x4 Pleated AirNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.