More details KN95 respirator:
Five layer filtration protection against bacteria, pollution, droplet, gases, odors, dust, pollen, song, PM2.5, germs
- Layer one: non woven fabric
- Layer two: melt-blown non woven
- Layer three: non woven fabric
- Layer four: filtration non woven fabric
- Layer five: non woven fabric
- Filtering rate ≥ 95%
- 3D cut, comfortable to wear