8x28x1 Exact MERV 13 AC Furnace Filters Number Per Box:6 Since you can't return custom

Since you can't return custom sized air filters

Ideal for normal air filtration and will help those with mild allergies

You might check the actual sizes of our other air filters to make sure a standard size air filter wouldn't work for you

along with a Nordic Pure MERV 8 rating

Nordic Pure chose to follow the industry standard

8x28x1 Exact MERV 13 AC Furnace Filters Number Per Box:6 Since you can't return customActual Size: 8 x 28 x 3 4 (8 x 28 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, smog and other contaminants. Ideal for customers looking for superior filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400 Made in the USA. Nordic Pure MERV 13 Pleated AC Furnace Air Filters provide