the material is electrostatically charged to attract unwanted particles
Nordic Pure 16x30x2 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
Actual Size: 15 3/4 x 15 3/4 x 3/4 (15
With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer
Nordic Pure 16x20x4 Plus Carbon Air Filters MERV 7 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
17 1/4x17 1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 8x10x1 the material is electrostatically chargedActual Size: 17 1 4 x 17 1 4 x 3 4 (17. 25 x 17. 25 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, smog, virus carriers, mold spores, help 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 13 is equivalent to MPR 2200