20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon Number Per Box:6 Nordic Pure 12x12x1 MERV 10

Nordic Pure 12x12x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Nordic Pure 18x24x4 Pleated Air Filters MERV 10 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Nordic Pure 16x20x4 Pleated Air Filters MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Nordic Pure 16x24x4 Pleated Air Filters MERV 15 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon Number Per Box:6 Nordic Pure 12x12x1 MERV 10Actual Size: 19 1 2 x 24 1 2 x 3 5 8 (19. 5 x 24. 5 x 3. 63) Captures large airborne particles like lint, household dust, pollen, dust mites, mold spores and other contaminants. If you are replacing a Honeywell or Lennox 20x25x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 20x25x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure