21 1/2x23 5/16x1 MERV 10 Plus Carbon AC Furnace Filters Number Per Box:6 The Actual Size listed above

The Actual Size listed above is the exact size of the metal frame

Nordic Pure 14x25x1 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

Nordic Pure 12x24x4 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

please see our 20x25x5 (4 3/8 actual depth)

21 1/2x23 5/16x1 MERV 10 Plus Carbon AC Furnace Filters Number Per Box:6 The Actual Size listed aboveActual Size: 21 1 2 x 23 1 4 x 3 4 (21. 5 x 23. 25 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