18x24x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 13x25x1 Actual Size: 16 x 21

Actual Size: 16 x 21 1/2 x 3/4 (16 x 21

Actual Size: 13 1/2 x 13 1/2 x 1/2 (13

RETURNS: Custom AC furnace air filters are not returnable since we hand make them per your exact dimensions when you enter your air filter size above

Actual Size: 17 x 25 x 3/4 (17 x 25 x 0

Nordic Pure 12x25x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

18x24x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 13x25x1 Actual Size: 16 x 21Actual 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.