20x20x4 (3 5/8) Pleated MERV 13 Air Filters Number Per Box:6 Nordic Pure 18x20x2 MERV 14

Nordic Pure 18x20x2 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

We recommend that you change your AC air filter every 3 to 6 months

Nordic Pure 14x25x2 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

If you are replacing a Honeywell or Lennox 20x20x4 or an air filter with an MPR rating with an actual depth of 4 3/8

This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors

20x20x4 (3 5/8) Pleated MERV 13 Air Filters Number Per Box:6 Nordic Pure 18x20x2 MERV 14Actual Size: 19 1 2 x 19 1 2 x 3 5 8 (19. 5 x 19. 5 x 3. 63) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, smog and other contaminants. If you are replacing a Honeywell or Lennox 20x20x4 or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 20x20x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic