Nordic Pure 12x24x2 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
the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE
Nordic Pure 12x24x2 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
a human hair is about 70 microns wide
12 1/2x23 1/2x1 MERV 14 AC Furnace Filters 8x14x1 Nordic Pure 12x24x2 MERV 13Actual Size: 12_1 2 x 23_1 4 x 3 4 (12. 5 x 23. 25 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