23 1/2x23 1/2x1 MERV 8 AC Furnace Filters Number Per Box:6 Nordic Pure 18x24x1 MERV 12

Nordic Pure 18x24x1 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 14x20x1 MERV 13 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

Actual Size: 11 7/8 x 35 7/8 x 3/4 (11

Since you can't return custom sized air filters

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

23 1/2x23 1/2x1 MERV 8 AC Furnace Filters Number Per Box:6 Nordic Pure 18x24x1 MERV 12Actual Size: 23 x 23 x 3 4 (23 x 23 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 Pleated AC Furnace