For filter installation the air enters thru the fuzzy
Nordic Pure 20x20x4 Pleated Air Filters MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
Nordic Pure 20x20x4 Plus Carbon Air Filters MERV 12 are made of a dual material where the MERV rated material has been fused together with a carbon layer
EXACT MEASUREMENT: Furnace and air condition filters have an actual size that is a fraction of an inch smaller in length and width than the listed air filter size
Nordic Pure 20x25x2 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
20x22 1/4x1 Exact MERV 8 AC Furnace Filters Number Per Box:6 For filter installation the airActual Size: 20 x 22 1 4 x 3 4 (20 x 22. 25 x 0. 75) Removes lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 8 is equivalent to MPR 800 Made in the USA. Nordic Pure MERV 8 Pleated AC