14x27x1 Exact MERV 12 AC Furnace Filters 6 Pack DUCTWORK Negative pressure means molecules in

Negative pressure means molecules in the air are pulled toward the center of the room and toward a controlled disinfection point

Highly concentrated

Used by all kinds of families and farmers

The food-grade raw materials used are free of heavy metals and are safe to use

This is the piece of glass only for the lens

14x27x1 Exact MERV 12 AC Furnace Filters 6 Pack DUCTWORK Negative pressure means molecules inNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different