Air Bear 20x20x5 (4 15/16) Replacement 266649-103 MERV 13 Air Filters 2 Pack
There is an airflow direction arrow on the side edge of your Nordic Pure pleated air filter. For air filters with carbon added the carbon is on the air exit side. Important Note: Almost ALL furnace filters have a different “actual size” than the nominal size printed on the air conditioner filter.