25x32x1 MERV 14 AC Furnace Filters 6 Pack beneficial microbes Garden-tone's all natural formula contains

Garden-tone's all natural formula contains Bio-tone

The absence of the frame eliminates shadows in the beam

ammonia and sulfrous acid

All Nordic Pure Air Bear replacement pleated air filters are manufactured using a heavy duty

It remains effective even after rainfall

25x32x1 MERV 14 AC Furnace Filters 6 Pack beneficial microbes Garden-tone's all natural formula containsNordic 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.