Healthier, cleaner air is made accessible to you and the people who come into your home. Its H13 True HEPA Filter will automatically detect and remove 99.97% of harmful airborne particles including pet dander, smoke, odor, dust, and gases. The air will go through 4 different filters during the purification process: a pre-filter to remove larger contaminants such as pet dander and dust, an allergen filter, a true H13 HEPA filter, and an activated carbon filter to remove gases and odors. Then, the built-in UV-C light and fine dust sensor add yet another layer of efficient and effective air purification—detecting tiny particles such as dust, germs, and bacteria that would otherwise go undetected. Made with medium and large-sized rooms in mind, this purifier will be ideally kept in your living room, bedroom, or garage. Worried about the air purifier making too much noise as you sleep? With sleep mode activated, the fan will be reduced to quieter, slower speeds and the lights will be dimmed to ensure your night's sleep goes uninterrupted. Lastly, with auto mode, the purifier will automatically detect the surrounding air quality and adjust its fan speed accordingly so that the air you breathe is always the best it can possibly be.