As with all Nordic Pure furnace air conditioner filters
Nordic Pure 18x24x2 MERV 13 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
Nordic Pure 20x20x2 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
the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE
23x25x1 Exact MERV 13 Plus Carbon AC Furnace Filters 11x32 1/2x1 As with all Nordic PureActual Size: 23 x 25 x 3 4 (23 x 25 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 Made in the