20PCS KN95 RESPIRATOR DISPOSABLE FACE MASK 5-PLY SAME LEVEL WITH N95 - WHITE, 5-ply KN95 Respirator Disposable Face Mask Same Level with N95 in White
Filtration Efficiency: Non-oil Particles Filtration Efficiency(PFE): >= 95% Bacterial Filtration Efficiency(BFE): >= 95% Inspiratory resistance: < 350 Expiratory resistance: < 250 Layers and Materials: First Layer(Outer Layer): Non-woven fabric Second Layer: Melt blown cloth Third Layer: Melt blown cloth Fourth Layer: Filter sponge Fifth Layer: Ultra-soft non-woven fabric Function: Anti-bacteria, anti-smog, anti-pm2.5, anti-particles, anti-spray Product Size: 16.5 cm x 11.5 cm Color: White Package includes: 30 KN95 masks Package size: 20.5 * 15.5 cm Gender: Unisex
About KN95 masks
KN95 mask capable of isolating smaller particles, and in a narrower shape for the face, it is not easy to leak air from the periphery, and the filtration efficiency of particles can reach 95% in standard conditions.
When Kn95 receives contamination such as saliva, blood, tears and other body fluids, it must be replaced.
The user feels that the breathing resistance is greater than before and needs to be replaced.
Masks are damaged and must be replaced.
It is recommended to replace it after using it 4 times.
However, masks cannot be reused if people go to the hospital, make contact with an infected person, or are suspected of being infected.
The filtration efficiency of KN95 is equivalent to N95, so KN95 masks and N95 masks can replace each other as per wikipedia.
5 layers of Filter function:
The first layer: spunbond cloth, filter the micron dust.
The second layer: to filter industrial pollutants, automobile exhaust gas, second-hand smoke pollen allergies.
The third layer: activated carbon cloth, benzene, and a smaller micron dust filtering function.
The fourth layer: density filter, smaller material.
The last layer: spunbond cloth, filter the micron dust.
3D Ear Hanging and Lightweight Design make your breathing easier. High-quality Elastic Straps make it comfortable to wear for a long time, suitable for home and professional use, indoor or outdoor use