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Factory in Stock KN95 Mask 4-Layer Five-Layer External Dustproof Haze Foam KN95 Mask Whiteboard 95% Meltblown Fabric
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Products: 4-layer and 5-layer disposable mask whiteboard, external nose bridge
structure:
layer 1: Non-woven fabric 50g
layer 2: 95 level meltblown fabric 25g
layer 3: 95 level meltblown fabric 25g
layer 4: Hot Air cotton 40g
layer 5: non-woven fabric 25g