KN95 mask isolate smaller particles and fit tighter to the face, it's not easy to leak air from the periphery, and the filtration efficiency of particulate matter can reach 95% under standard conditions.
KN95 Mask With 5 layer Protection For Face and Mouth Attributes includes:
efficient protection of micro particles, no odor, anti-allergic, skin-friendly, breathable, dust-proof and pollution-proof, fabric texture is clear, soft, breathable and comfortable, multi layer design, super protection
The KN95 mask should be disposed under certain are conditions:
1. When KN95 receives contamination such as saliva, blood, tears and other body fluids.
2. The user obviously feels that the breathing resistance is greater than before.
3. Masks are damaged.
4. masks shouldn't be reused if people go to the hospital, come into contact with an infected person, or are suspected to be infected.