Our True HEPA Smart Air Purifier provides the highest stage of cleaning the air from pollen, harmful particles, allergens, toxins, bacteria, viruses, and molds. It has multiple stages of filtrations: Pre-filter, HEPA filter, Activated carbon filter, Anti-bacterial cotton, Photocatalyst, Cold catalyst, and optional ionization and UVC sterilization. Our purifiers come with an H13 medical-grade HEPA filter that complies with international and national standards.