Cool-Living True HEPA 4-Stage Air Purifier with NightlightThe Cool Living air purifier features best in class true HEPA 4 stage air filtration that removes up to 99. 97% of harmful airborne particles. The pre filter stage removes hair, fiber and other large particles. The HEPA H13 stage effectively removes more than 0. 3 micron harmful particles in the air with a filtration rate of up to 99. 97%. The active carbon stage effectively removes odor, VOC, and other harmful pollutants. The PP Net is a filter mount