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By certification 
Item Name : KN95 With Valve
Layers : 5 Layers
1st ply: Skin friendly Non Woven Fabric
2nd ply: Melt-Blown Fabric
3rd ply: Melt-Blown Fabric
4th ply: Non Woven Fabric
It is a Four-layer mask made of melt-spray cloth and non-woven cloth.As protective masks, most of them are non-woven masks, which are mainly filtered by physical filter supplemented by electrostatic adsorption.
The Level Protection :≥ 99.0%
With CE certificate and CE test report .
Package Information: 2pcs/Bag 600pcs/Carton
http://www.yidaxingye.com/
