Product Size: 10.6cmX16cm
Executive standard: GB2626-2006 for KN95
Outer layer: The outer layer is SS non-woven fabric, which has the characteristics of skin friendly, environmental protection, compact, safe and non-irritating, etc.
1st layer in middle layer: The first layer is medium efficiency filter material, which can filter medium particle dust, etc.
2nd layer in middle layer: The second layer is KN95 filter fabric, which is made of double-layer melt blown nonwovens with permanent micro electrostatic field on the surface and has double strong filtering effect of adsorption filtration.
Inner layer: The inner layer is comfortable and skin friendly hot air cotton fabric, which has the characteristics of moisture absorption and perspiration, fog prevention, air permeability and quick drying, wet touch, etc.