27x27x1 MERV 14 Plus Carbon AC Furnace Filters 11x32 1/2x1 Nordic Pure 18x24x4 MERV 12

Nordic Pure 18x24x4 MERV 12 Pleated Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

IMPORTANT Note: Air filters have an actual size that is a fraction of an inch smaller than the standard size (also known as "nominal size")

Nordic Pure 20x24x1 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

Nordic Pure 18x24x1 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

Five Seasons

27x27x1 MERV 14 Plus Carbon AC Furnace Filters 11x32 1/2x1 Nordic Pure 18x24x4 MERV 12Actual Size: 26 1 2 x 26 1 2 x 3 4 (26. 5 x 26. 5 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps 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 14 is equivalent to MPR 2800 Made in