16x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon Number Per Box:1 Actual Size: 9 1/2 x

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

Nordic Pure 16x20x4 Pleated Air Filters MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

We recommend changing your HVAC furnace filter every 1-3 months

With each pass through the carbon furnace air filter

16x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon Number Per Box:1 Actual Size: 9 1/2 xActual 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