12_1/2x23_1/2x1 MERV 13 AC Furnace Filters 6 Pack Synthetic Pro Edition and stabilization

and stabilization

and Geranium oil

DYNOMYCO mycorrhizal inoculants improve uptake of micro- and macro-nutrients

permanent print markings delineating cups

it also provides UVA and UVB

12_1/2x23_1/2x1 MERV 13 AC Furnace Filters 6 Pack Synthetic Pro Edition and stabilizationNordic 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