Nordic Pure 16x24x4 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home
Actual Size: 18 1/2 x 20 1/2 x 3/4 (18
a human hair is about 70 microns wide
Actual Size: 11 1/2 x 19 1/2 x 1 3/4 (11
Nordic Pure 20x24x4 MERV 10 Pleated Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
29x29x1 MERV 14 AC Furnace Filters 24 1/2x27x1 Nordic Pure 16x24x4 MERV 14Actual Size: 28 1 2 x 28 1 2 x 3 4 (28. 5 x 28. 5 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Ideal for customers with health problems or for commercial units which support a rating of MERV 14 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA. Nordic Pure MERV