Since you can't return custom sized air filters
We are happy to help you determine the correct size that you need
No matter the name of the rating
CONSTRUCTION: Custom air filters are made by cutting down or combining 1
The window A/C filter can be cut to fit most room window units that require up to a 24 inch x 15 inch filter and is simple to install
15x30 3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12x25x1 Since you can't return customActual Size: 15 x 30 3 4 x 3 4 (15 x 30. 75 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 12 is equivalent to MPR 1500 1900 Made