20x20x4 (3 5/8) Pleated MERV 13 Air Filters Number Per Box:6 Nordic Pure 20x25x1 MERV 8

Nordic Pure 20x25x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

The electrostatic charge works as a magnet to draw in and trap smaller airborne particles

Nordic Pure 20x24x4 Pleated Air Filters MERV 15 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Actual Size: 11 1/2 x 23 1/2 x 1/2 (11

20x20x4 (3 5/8) Pleated MERV 13 Air Filters Number Per Box:6 Nordic Pure 20x25x1 MERV 8Actual 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