17x21x1 Exact MERV 14 AC Furnace Filters 12 Pack Growing Media Webworm (Hyphantria cunea)

Webworm (Hyphantria cunea)

non-pathogenic saphrophytic fungus known as Ulocladium oudemansii (U3 strain)

heavy duty odor elimination and mold/mildew eradication

We use premium triple-washed coco media with low EC (< 0

protection and style while working

17x21x1 Exact MERV 14 AC Furnace Filters 12 Pack Growing Media Webworm (Hyphantria cunea)Nordic 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.