18x24x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 13x25x1 Actual Size: 5_1/2 x 19_1/2

Actual Size: 5_1/2 x 19_1/2 x 3/4 (5

Approximately MERV 8 efficiency rating

and smoke particles are effectively captured and removed

but they WILL be strong

18x24x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 13x25x1 Actual Size: 5_1/2 x 19_1/2Actual Size: 17 1 2 x 23 3 8 x 3 5 8 (17. 5 x 23. 38 x 3. 63) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration and odor control or for commercial units which support a rating of MERV 15 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame.