Meaning they get trapped in the pores and once all the pores are full
MERV 8 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 1000
Nordic Pure 18x20x2 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
Actual Size: 13 15/16 x 29 15/16 x 3/4 (13
Nordic Pure 20x25x4 Pleated Air Filters MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
25x32x1 MERV 10 Plus Carbon AC Furnace Filters Odor Reduction Meaning they get trapped inActual Size: 24 1 2 x 31 1 2 x 3 4 (24. 5 x 31. 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 10 is equivalent to MPR 1000