We recommend changing your HVAC furnace filter every 1-3 months
Actual Size: 12 x 22 x 3/4 (12 x 22 x 0
Nordic Pure MERV 13 is equivalent to MPR 2200-2400
Important Note: Almost all furnace air filters have a different Actual Size (the exact dimensions) than Nominal Size (the name) printed on the air conditioning filter
Nordic Pure MERV 12 is equivalent to MPR 1500-1900
11 1/2x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters Number Per Box:6 We recommend changing your HVACActual Size: 11 1 2 x 21 x 3 4 (11. 5 x 21 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, smog, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400 Made in