Particles in indoor air are measured in microns
Nordic Pure 18x20x2 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
Nordic Pure 12x25x2 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
RETURNS: Custom AC furnace air filters are not returnable since we hand make them per your exact dimensions when you enter your air filter size above
Actual Size: 14 1/2 x 30 1/4 x 3/4 (14
18x18x1 Pleated Air Filters MERV 14 Plus Carbon Number Per Box:24 Particles in indoor air areActual Size: 17 3 4 x 17 3 4 x 3 4 (17. 75 x 17. 75 x 0. 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