Premium aftermarket filter replacement set compatible with Levoit Air Purifier LV-H132. A set of 3 filters included. HEPA FILTER: HEPA filters remove up to 99.97 percent of airborne particles as small as 0.3 microns. The activated carbon pre filter eliminates many common household odors and chemical VOCs. Dimension: 7.5 x 2.4 x 7.5 ". Suggest to replace every 6 months Quality meets or exceeds leading national brand Premium aftermarket filter replacement set compatible with Levoit Air Purifier LV-H132. A set of 3 filters included. Dimension: 7.5 x 2.4 x 7.5 ". Suggest to replace every 6 months