20x24x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon Number Per Box:6 Approximately MERV 8 efficiency rating

Approximately MERV 8 efficiency rating

Nordic Pure 18x20x2 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 10x30x1 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

We are happy to help you determine the correct size that you need

MERV 12 Plus Carbon air filters are comparable to air filters with the MPR rating of 1500-1900

20x24x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon Number Per Box:6 Approximately MERV 8 efficiency ratingActual Size: 19 3 8 x 23 3 8 x 3 5 8 (19. 38 x 23. 38 x 3. 63) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made