19x22x1 Exact MERV 10 Plus Carbon AC Furnace Filters Number Per Box:12 a 20x30x1 air filter is

a 20x30x1 air filter is actually 19 ½ x 29 ½ x ¾

MERV 13 furnace air condition filters are comparable to HVAC filters with the rating of MPR 2200-2400

Nordic Pure 20x25x5 Air Bear Replacement MERV 8 Carbon air filters measure an actual depth of 4 7/8"

Nordic Pure 12x24x4 MERV 15 Plus Carbon air filters 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

19x22x1 Exact MERV 10 Plus Carbon AC Furnace Filters Number Per Box:12 a 20x30x1 air filter isActual Size: 19 x 22 x 3 4 (19 x 22 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 Made in the USA.