KN95 Level Protection, Non-Oil Particles And PM2.5 Pollution Ash Filtering Rate Up To 95%Three-Dimensional Design, Greatly Increase The Mouth And Nose Space, Breath More Smoothly5 Layer Filtering Structure, Multiple Purification
Thenon woven 5 ply protective kn95 face mask filtration efficiency of kn95 grade Bai cover for particles with aerodynamic diameter ≥0.3 m reached 95% or above.The aerodynamic diameter of airborne bacteria and fungal spores varied mainly between DAO0.7-10
In recently years, under the influence of global climate change, extreme weather and typhoon,flood and rainstorm are more and more serious which have seriously influence and eroded our life and homeland.