4-ply protective KN95 mask
1. Material composition:Anti-sticking cloth+Hot air cotton+Melt-blown fabric+Anti-sticking cloth.
2. Size: 16.3*10.8cm.
- Implementation standard: GB2626-2006KN95.
- Efficiency: Prevention of influenza virus, corona virus and other bacteria. Anti - smog, dust and so on.
- Certification: CE FDA.
- BFE(Bacterial filtration efficiency)> 95%.