Particles in indoor air are measured in microns
Actual Size: 15 1/2 x 24 1/2 x 3/4 (15
Nordic Pure 20x24x4 Pleated Air Filters MERV 15 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
Nordic Pure 20x20x5 Air Bear Replacement MERV 13 air filters measure an actual depth of 4 15/16"
Nordic Pure 20x22x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
20x25x2 Pleated Air Filters MERV 14 Plus Carbon Number Per Box:12 Particles in indoor air areActual Size: 19 1 2 x 24 1 2 x 1 3 4 (19. 5 x 24. 5 x 1. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in