21x23_1/2x1 MERV 14 AC Furnace Filters 6 Pack spl_dlw Influenza A (H1N1)(formerly called Swine

Influenza A (H1N1)(formerly called Swine Flu)

The fungus grows inside the pest causing its death

100% Moisture Resistant

Nordic Pure 20x25x5 Honeywell Replacement Pure Carbon Pleated Odor Reduction MERV 8 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”

- Output 1 (bottom) for CO2 enrichment or CO2 ventilation control

21x23_1/2x1 MERV 14 AC Furnace Filters 6 Pack spl_dlw Influenza A (H1N1)(formerly called SwineNordic 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.