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Shanghai Bairui International Trading Co., Ltd.

All Products >> reusable mask

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reusable nano protective mask
reusable nano protective mask
Specification: 175mmx95mm
Detail: The reusable nano protective mask is a 4 ply mask. The middle filter layer is made of PTFE (polytetrafluoroethylene) nano-membrane material instead of melt-blown nonwoven fabric. The surface of the PTFE (polytetrafluoroethylen...
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