The Smartmi Air Purifier 2 is the perfect solution for creating a cleaner, fresher and healthier home environment. Its advanced 4-stage purification process effectively reduces allergens, irritants and harmful particles in the air. The core of this system is the medical-grade HEPA 13 filter, which captures 99.97% of particles as small as 0.3 microns, including dust, pollen, pet dander and smoke. But the Smartmi Air Purifier 2 doesn't stop there. In addition to traditional HEPA filtration, it also utilizes UV sterilization to remove airborne bacteria and viruses, offering an extra layer of protection for you and your loved ones. With this air purifier, you can breathe easy knowing that your home's air is as clean and healthy as possible.