16x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon Number Per Box:1 Nordic Pure MERV 13 is

Nordic Pure MERV 13 is equivalent to MPR 2200-2400

Actual Size: 15 3/8 x 23 3/8 x 3 5/8 (15

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

With each pass through the carbon furnace air filter

Actual Size: 9 1/2 x 24 1/2 x 1/2 (9

16x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon Number Per Box:1 Nordic Pure MERV 13 isActual Size: 15 1 2 x 19 1 2 x 3 5 8 (15. 5 x 19. 5 x 3. 63) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. If you are replacing a Honeywell or Lennox 16x20x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 16x20x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter