24x24x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon Number Per Box:1 Nordic Pure 12x20x1 MERV 7

Nordic Pure 12x20x1 MERV 7 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

MERV 13 furnace air condition filters are comparable to HVAC filters with the rating of MPR 2200-2400

Nordic Pure 18x18x1 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

Nordic Pure 20x25x5 Lennox X6673_X6675 Replacement MERV 12 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”

For example

24x24x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon Number Per Box:1 Nordic Pure 12x20x1 MERV 7Actual Size: 23 3 8 x 23 3 8 x 3 5 8 (23. 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 10 is equivalent to MPR 1000