The Xiaomi Air Purifier consists of a three-layer filter:
1. Primary Filter: Mainly used to filter dust, hair, and large suspended particles;
2. HEPA Filter: The Xiaomi Air Purifier uses an H11-grade HEPA filter, achieving a 99.99% filtration rate for PM2.5 particles;
3. Activated Carbon Filter: Effectively absorbs formaldehyde, benzene, ammonia, bacteria, mites, and other harmful substances and odors.