18x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters Number Per Box:6 Unlike other A/C filters where

Unlike other A/C filters where the nominal and actual sizes differ by a fraction of an inch

Nordic Pure 14x25x1 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

Actual Size: 15 3/8 x 25 1/2 x 5 1/4 (15

as developed by ASHRAE (the American Society of Heating

Nordic Pure 16x25x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

18x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters Number Per Box:6 Unlike other A/C filters whereActual Size: 18 x 28 x 3 4 (18 x 28 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