16 1/2x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters Number Per Box:6 Important Note: Almost all furnace

Important Note: Almost all furnace air filters have a different Actual Size (the exact dimensions) than Nominal Size (the name)

smooth side

and will help keep your air conditioning and heating systems running efficiently

Each time air passes through our high efficiency activated carbon AC filter

IMPORTANT Note: Air filters have an actual size that is a fraction of an inch smaller than the standard size (also known as "nominal size")

16 1/2x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters Number Per Box:6 Important Note: Almost all furnaceActual Size: 16 1 2 x 21 x 3 4 (16. 5 x 21 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 1900 Made