18 1/4x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters Number Per Box:6 5 and 6-inch thick filters

5 and 6-inch thick filters could last up to 6 months

Trion Air Bear Replacement filters have a depth of 4 7/8" and ideal for customers with health problems or for commercial units

Nordic Pure 10x30x1 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

Nordic Pure 16x20x4 Plus Carbon Air Filters MERV 15 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 12x18x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

18 1/4x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters Number Per Box:6 5 and 6-inch thick filtersActual Size: 18 1 4 x 22 x 3 4 (18. 25 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 12 is equivalent to MPR 1500 1900 Made