18x18x2 Furnace Air Filters MERV 12 Pleated Plus Carbon Number Per Box:3 Nordic Pure MERV 13 is

Nordic Pure MERV 13 is equivalent to MPR 2200-2400

the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE

Nordic Pure 15x20x2 MERV 14 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: 17 x 34 3/4 x 3/4 (17 x 34

Hypoallergenic and antimicrobial pleated electrostatic filter material

18x18x2 Furnace Air Filters MERV 12 Pleated Plus Carbon Number Per Box:3 Nordic Pure MERV 13 isActual Size: 17 3 4 x 17 3 4 x 1 3 4 (17. 75 x 17. 75 x 1. 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