@ fac-tory sales SGS&BSI CE& FDA FFP2 KN95 r CAS NO.57-13-6 CAS NO.57-13-6

1.Kn95 can filter particles with aerodynamic diameter of 0.075 μ m ± 0.020 μ m more than 95%.KN95 has non-woven fabric,which is more effective in filtering protective particles

2.3D modeling is designed according to face modeling engineering, which ensures the tightness of the mask and increases the breathing capacity of the mask

3.6 layers of effective filtration