The electrostatic charge works as a magnet to draw in and trap smaller airborne particles
the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE
Actual Size: 12_1/2 x 21 x 3/4 (12
Nordic Pure MERV 14 is equivalent to MPR 2800
Nordic Pure 12x20x2 MERV 7 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
14x20x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 12x26 1/2x1 The electrostatic charge works asActual Size: 13 1 2 x 19 1 2 x 3 4 (13. 5 x 19. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers who not only need odor control but whose daily life demands high filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500