depending on your unique home environment
The AC filter material extends beyond the frame
Nordic Pure 18x24x4 Pleated Air Filters MERV 7 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
The air conditioner filter media will not support the growth of mold or bacteria on the air filter itself
Actual Size: 16 1/2 x 21 1/2 x 3/4 (16
18x24x1 Furnace Air Filters MERV 10 Pleated Plus Carbon Number Per Box:6 depending on your unique homeActual Size: 17 1 2 x 23 1 2 x 3 4 (17. 5 x 23. 5 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 10 is equivalent to MPR 1000