20x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6x10x1 With its two layers

With its two layers

Nordic Pure 20x24x4 Pleated Air Filters MERV 8 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

Nordic Pure 20x25x4 Plus Carbon Air Filters MERV 8 are made of a dual material where the MERV rated material has been fused together with a carbon layer

Nordic Pure 20x20x5 Air Bear Replacement MERV 14 air filters measure an actual depth of 4 15/16"

20x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6x10x1 With its two layersActual Size: 19 3 8 x 23 3 8 x 3 5 8 (19. 38 x 23. 38 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. Ideal for customers who not only need odor control but whose daily life demands high filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500