17x20x1 MERV 8 AC Furnace Filters Number Per Box:12 Important Note: Almost ALL furnace

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

Nordic Pure 12x20x2 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Nordic Pure 16x25x4 Plus Carbon Air Filters MERV 14 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

Actual Size: 17 1/4 x 29 1/4 x 3/4 (17

17x20x1 MERV 8 AC Furnace Filters Number Per Box:12 Important Note: Almost ALL furnaceActual Size: 16 1 2 x 19 1 2 x 3 4 (16. 5 x 19. 5 x 0. 75) Removes lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 8 is equivalent to MPR 800 Made in the USA. Nordic Pure MERV 8