Package Includes: 4 Hepa filters
-3-in-1 premium HEPA filter replacement compatible with Levoit LV-H128 Air Purifier
-HEPA filter removes up to 99.97 percent of airborne particles as small as 0.3 microns. It also helps remove odors caused by pets, cooking and mildew. Activated carbon removes odors caused by pets, cooking and mildew
-Filter size dimension: 6.75" x 4.75" x 1.25 inches. Suggest replacing the filter every 6 months to optimize the performance