21 1/2x23x1 Exact MERV 10 Plus Carbon AC Furnace Filters Number Per Box:6 If you are replacing a

If you are replacing a Honeywell or Lennox 20x25x4 or an air filter with an MPR rating with an actual depth of 4 3/8

If you are replacing a Honeywell or Lennox 16x20x4 or an air filter with an MPR rating with an actual depth of 4 3/8

Nordic Pure 16x25x5 Air Bear Replacement MERV 8 air filters measure an actual depth of 4 7/8"

Nordic Pure 12x24x1 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

21 1/2x23x1 Exact MERV 10 Plus Carbon AC Furnace Filters Number Per Box:6 If you are replacing aActual Size: 21 1 2 x 23 x 3 4 (21. 5 x 23 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 10 is equivalent to MPR 1000 Made in