20x23x1 MERV 12 Plus Carbon AC Furnace Filters Number Per Box:6 If you are replacing a

If you are replacing a Honeywell or Lennox 20x20x4 or an air filter with an MPR rating with an actual depth of 4 3/8

Actual Size: 11 1/2 x 19 1/2 x 1/2 (11

While different companies use different scales to measure the air filter’s efficiency

Nordic Pure 10x20x2 MERV 14 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

20x23x1 MERV 12 Plus Carbon AC Furnace Filters Number Per Box:6 If you are replacing aActual Size: 19 1 2 x 22 1 2 x 3 4 (19. 5 x 22. 5 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