Approximately MERV 8 efficiency rating
This Pure Carbon Pleated Air Filter offers all the benefits of activated carbon
Nordic Pure 20x24x1 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 14 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
21x22x1 MERV 10 Plus Carbon AC Furnace Filters 12 3/4x21x1 Approximately MERV 8 efficiency ratingActual Size: 20 1 2 x 21 1 2 x 3 4 (20. 5 x 21. 5 x 0. 75) 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