Nordic Pure 12x20x2 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
this is just a list of the most well-known systems that use this size
Actual Size: 15 1/2 x 19 1/2 x 3/4 (15
and pollen
Nordic Pure 18x25x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
17 1/4x29 1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12x15x1 Nordic Pure 12x20x2 MERV 13Actual Size: 17 1 4 x 29 1 4 x 3 4 (17. 25 x 29. 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