19x21x1 MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 Important Note: Almost ALL furnace

Important Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter

Nordic Pure 10x30x1 MERV 8 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 14x14x1 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

Our air filters use permanently electrostatically charged material that acts like a magnet to help dust cling to the air filter

19x21x1 MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 Important Note: Almost ALL furnaceActual Size: 18 1 2 x 20 1 2 x 3 4 (18. 5 x 20. 5 x 0. 75) Captures large airborne particles like lint, household dust, pollen, 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 7 is equivalent to MPR 600 Made in the USA.