4 stages filtration system:
- Pre-filter stops cotton fiber, furs, dust
- Anti-bacterial layer kills 99.9% of bacteria
- Effective particles filter captures 99.5% of pollen, PM2.5 and other fine particles, as small as 0.1 _m
- Activated carbon traps formaldehyde, TVOCs, and odors
- Applicable for multiple Mi air purifier models: 2, 2H, 2S, Pro, 3H etc.
- RFID equipped.
- 3 to 6 month life time, which can be checked from Mi Home app.