20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon Number Per Box:6 Actual Size: 11 7/8 x

Actual Size: 11 7/8 x 29 7/8 x 3/4 (11

Nordic Pure 12x12x1 MERV 13 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

With each pass through the carbon furnace air filter

The media used will not promote the growth of bacteria or mold on the air filter and is better at trapping airborne particles than fiberglass filters

20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon Number Per Box:6 Actual Size: 11 7/8 xActual Size: 19 1 2 x 24 1 2 x 3 5 8 (19. 5 x 24. 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 20x25x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 20x25x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter