17x22x1 MERV 13 Plus Carbon AC Furnace Filters Number Per Box:12 Each Nordic Pure 4” MERV

Each Nordic Pure 4” MERV 8 air filter captures airborne particles as small as 3

and any air system that requires half-inch (1/2") air condition filters

Nordic Pure 12x24x4 MERV 10 Pleated 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 18x20x2 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

Replaces Trion Air Bear Cub filters and others that require an actual 3" depth and ideal for high air filtration and odor control

17x22x1 MERV 13 Plus Carbon AC Furnace Filters Number Per Box:12 Each Nordic Pure 4” MERVActual Size: 16 1 2 x 21 1 2 x 3 4 (16. 5 x 21. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, smog, virus carriers, mold spores, help 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 13 is equivalent to MPR 2200 2400