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Size:175*95mm Material:Weight :PP20+filter paper20+PP25gtype:Tie on ,the length of each tie is about 40cm, break strength of each tie is not less than 10N
Feature: BFE>99%. PFE>99% The inspiration resistance of mask is not more than 49Pa,
Expiration resistance is not more than 29.4Pa.
Skin irritation:The material of face mask is soft, without odor and without skin irritation.
Liquid barrier:Surface anti-wet: the surface of face mask is not stick water.
packing:50 face masks/box,2000pcs/ctn
Color:blue,green,white,pink
