BestAir 18x20 x 1 In. Pleated Air Filter, MERV 8

BestAir 18x20x1 NaturalAire Pleated MERV 8 Rated 90-Day Air Filter. It effectively reduces up to 75% of large airborne particles, including bacteria, pollen, dust/lint, and mold spores. This clay-coated filter frame and wire backing provide durability throughout the filter's life. The MERV 8 Rated rating means it is third-party certified to effectively reduce common indoor air pollutants such as household dust, pollen, dander, and lint.