as developed by ASHRAE (the American Society of Heating
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
Nordic Pure 16x25x4 Pleated Air Filters MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
Replaces Honeywell 16x20x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for high efficiency air filtration and those with moderate allergies
RETURNS: Custom AC furnace air filters are not returnable since we hand make them per your exact dimensions when you enter your air filter size above
16x16x1 Furnace Air Filters MERV 12 Pleated Plus Carbon Number Per Box:24 as developed by ASHRAE (theActual Size: 15 3 4 x 15 3 4 x 3 4 (15. 75 x 15. 75 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