We recommend that you change your air filter every 3-6 months to maintain maximum efficiency and economy
Important Note: Almost all furnace air filters have a different Actual Size (the exact dimensions) than Nominal Size (the name)
Particles in indoor air are measured in microns
You might check the actual sizes of our other air filters to make sure a standard size air filter wouldn't work for you
Nordic Pure 12x20x1 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home
12.5x21x0.75 Exact Size MERV 8 Plus Carbon Air Filter 12x14x1 We recommend that you changeActual Size: 12_1 2 x 21 x 3 4 (12. 5 x 21 x 0. 75) Captures large airborne particles like lint, household dust, pollen, dust mites, mold spores and other contaminants. Ideal for customers who need odor control for pet and cooking smells Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 8 is equivalent to MPR 800 Made in the USA. Nordic Pure Custom MERV 8 Plus Carbon air filters are made based on