6x20x1 MERV 14 AC Furnace Filters 6 Pack pest-and-disease-control Minimum 6-day processing time for

Minimum 6-day processing time for this beneficial

Diameter: 29"

and air to the medium while blocking light

emit unpleasant odors

Trichogramma releases can significantly reduce moth/caterpillar populations and limit pesticide use

6x20x1 MERV 14 AC Furnace Filters 6 Pack pest-and-disease-control Minimum 6-day processing time forNordic 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.