12x22x1 Exact MERV 10 Plus Carbon AC Furnace Filters Number Per Box:12 HVAC systems should be rated

HVAC systems should be rated to handle filters of MERV 15 and above

Refrigeration and Air Conditioner Engineers)

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

We special order the internal frame for the half inch furnace filter

Important Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter

12x22x1 Exact MERV 10 Plus Carbon AC Furnace Filters Number Per Box:12 HVAC systems should be ratedActual Size: 12 x 22 x 3 4 (12 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.