23 1/2x23 1/2x1 MERV 8 AC Furnace Filters Number Per Box:6 Since you can't return custom

Since you can't return custom sized air filters

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

Replaces Honeywell 20x20x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for customers who need odor control for pet and cooking smells

Nordic Pure 16x25x1 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

Replaces Trion Air Bear Cub filters and others that require an actual 3" depth and ideal for normal air filtration

23 1/2x23 1/2x1 MERV 8 AC Furnace Filters Number Per Box:6 Since you can't return customActual 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