How well a filter works depends on its cleanability and aerodynamic design. The Xiaomi air purifier filter can effectively absorb PM2.5 particles, dust mites. Coated with the special antibacterial layer, it can kill the bacteria. Activated carbon can remove pollutants from the air. Our APP will remind you when the filter needs to be replaced.nn- Effectively eliminates bacteria, dust mites, PM2.5 particles in the airn- With specially designed antibacterial layer it can effectively kill the bacterian- Quadruple cleaning effect with brilliant absorption capacityn- Suitable for Xiaomi Mi Air Purifier, Xiaomi Mi Air Purifier 2, Xiaomi Mi Air Purifier Pron- We recommend replacing the filter every 3 – 6 months.n- Suitable for Original Xiaomi OLED Display Smart Air Purifier 2S / Xiaomi Mi Air Purifier / Xiaomi Mi Air Purifier 2 / Xiaomi Mi Air Purifier Pro

The Mi Air Purifier HEPA filter from Xiaomi is a replacement filter for the Mi Air Purifier.