20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon Number Per Box:1 Nordic Pure 16x20x4 Plus Carbon

Nordic Pure 16x20x4 Plus Carbon Air Filters MERV 15 are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

Actual Size: 11 1/2 x 23 3/8 x 3 5/8 (11

Actual Size: 19 3/4 x 21 1/2 x 3/4 (19

Nordic Pure 16x24x4 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

For example

20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon Number Per Box:1 Nordic Pure 16x20x4 Plus CarbonActual 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, help eliminate unwanted odors and other contaminants. If you are replacing a Honeywell or Lennox 20x20x4 Plus Carbon 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