Actual Size: 13 1/2 x 24 1/2 x 1/2 (13
Actual Size: 17 1/4 x 19 1/4 x 3/4 (17
The frame has 2 strips of foam tape on 2 sides
We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and economy
Nordic Pure 15x20x1 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
18x20x1 Pleated Air Filters MERV 13 Plus Carbon Lennox Actual Size: 13 1/2 xActual Size: 17 1 2 x 19 1 2 x 3 4 (17. 5 x 19. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, smog, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400