MERV 10 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 1200-1500
Nordic Pure 16x20x4 Pleated Air Filters MERV 7 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
please see our 16x20x5 (4 3/8 actual depth)
We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and economy
21 1/2x23 5/16x1 MERV 13 Plus Carbon AC Furnace Filters 14x25x1 MERV 10 furnace air conditionerActual Size: 21 1 2 x 23 1 4 x 3 4 (21. 5 x 23. 25 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, smog, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400