20x21_1/2x1 Exact MERV 8 AC Furnace Filters 6 Pack Environmental Controllers and some russet mite species

and some russet mite species

Highly recommended

When used as a soil conditioner

the effective life of your filter depends on the environment in which you live

reduced heat load

20x21_1/2x1 Exact MERV 8 AC Furnace Filters 6 Pack Environmental Controllers and some russet mite speciesNordic 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