84858.01183 Air Filter, 30 x 18 x 1, 8 MERV, Cardboard Frame, Clay-Coated Frame

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. MERV ratings provide a standard comparison of air filter performance. A higher MERV rating signifies greater efficiency and increased protection against airborne particles. The clay-coated filter frame and wire backing provide durability throughout the filter's life. The NaturalAire clean essential (standard) air filter maintains the minimum listed efficiency through the 90 days life of the filter.