21x21x1 Exact MERV 8 AC Furnace Filters 6 Pack biological fertilizer • BPA-free

• BPA-free

Filter: Disposable MERV 11

Easy to move between hose bibs and the 11

fungus gnat and flea larvae

Contains polysaccharides folded into a matrix fortified with an emulsion of trace minerals acting as a compensator as lowering sunlight levels at the end of the season precipitate drops in photosynthetic rate and ATP (plant sugar) production

21x21x1 Exact MERV 8 AC Furnace Filters 6 Pack biological fertilizer • BPA-freeNordic Pure MERV 8 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 and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters