16x21x1 MERV 12 Plus Carbon AC Furnace Filters Number Per Box:12 This high performance HVAC replacement

This high performance HVAC replacement filter will outperform non-electrostatic fiberglass filters

Nordic Pure 16x16x1 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

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

Nordic Pure MERV 12 is equivalent to MPR 1500-1900

the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE

16x21x1 MERV 12 Plus Carbon AC Furnace Filters Number Per Box:12 This high performance HVAC replacementActual Size: 15 1 2 x 20 1 2 x 3 4 (15. 5 x 20. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers who not only need odor control but whose daily life demands high filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500