18x18x1 Pleated MERV 13 Air Filters 12 Pack dis EPA Registration Exempt – Exempt

EPA Registration Exempt – Exempt from Federal and California EPA registration requirements

2mm inlet - 2 small holes (best for thinner oils)

5 years standard warranty

Using a sharp knife or razor blade

A Paenibacillus polymyxa species

18x18x1 Pleated MERV 13 Air Filters 12 Pack dis EPA Registration Exempt – ExemptNordic 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