15x25x1 Exact MERV 14 AC Furnace Filters 6 Pack beneficial microbes Our 20 Gallon

Our 20 Gallon

and tactical function

Provides balanced calcium and nitrogen ratios

It has simultaneous dual timer functions

15x25x1 Exact MERV 14 AC Furnace Filters 6 Pack beneficial microbes Our 20 GallonNordic 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.