12x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon Number Per Box:1 Nordic Pure 12x18x1 MERV 10

Nordic Pure 12x18x1 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

RETURNS: Custom Carbon AC furnace air filters are not returnable since we hand make them per your exact dimensions when you enter your air filter size above

Actual Size: 11 3/4 x 11 3/4 x 3/4 (11

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

12x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon Number Per Box:1 Nordic Pure 12x18x1 MERV 10Actual Size: 11 1 2 x 23 3 8 x 3 5 8 (11. 5 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