20x34x1 MERV 13 AC Furnace Filters 6 Pack PPE Three sizes—10' x 10'

Three sizes—10' x 10'

Max coverage: 4 x 4

and those who prefer intermittent mixing

leading to stronger root growth

20x34x1 MERV 13 AC Furnace Filters 6 Pack PPE Three sizes—10' x 10'Nordic 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