Smart Mask Filter
- Filters for Deluxe smart mask, includes 5 pcs of filters.
- Sterilized paper, activated carbon, HEPA filter screen & non-woven fabric.
- Effectively filter bacteria, pollutants, smog, formaldehyde, exhaust gas and release negative oxygen ions.
- Locked up all kinds of harmful particles with particle sizes smaller than PM2.5 in the air.