Multi stage air purification system uses a medical grade H13 HEPA and activated carbon filter to capture 99.95% of particles as small as 0.21 microns, such as dust, pollen and pet dander. Also features UV sterilization to neutralize biological contamination. Includes smart controls with an auto mode, air quality display, sleep mode, timer and a remote control. Covers 500 square feet. Filter covers 2200 hours. Comes with 3 new complete filter packs.