
Six times more effective than traditional fiberglass air filters at capturing dust, pollen, and other particles from your indoor air. The MERV (Minimum Efficiency Reporting Value) 8 rating means it is third-party certified to effectively reduce common indoor air pollutants such as household dust, pollen, dander, and lint. The clay-coated filter frame and wire backing provide durability throughout the filter's life. The NaturalAire Standard air filter maintains the minimum listed efficiency through the 90-day life of the filter. UL Classified.