- 4 Layers of protection
- Ultra-fine filter layer effectively prevents PM2.5 particles from entering
- PM 2.5 filtration with an efficiency rate up to 95%
- Non-woven fabric for safe filtering, soft fabric, breathable, comfortable
- Filters out dust, bacteria, smoke & pollen
- FFP2 Protection, Anti-infection, PFE≥95%, BFE≥95%
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