I just ordered activated carbon breath filter insert, you could

来源: 螺丝螺帽 于 2020-04-02 07:37:00 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (1449 bytes)
本帖于 2020-04-02 07:38:13 时间, 由普通用户 螺丝螺帽 编辑

I just ordered activated carbon breath filter insert, you could

make that re-useable face mask type.

 

 

 

10-100X PM2.5 filter paper replacement activated carbon breath filter insert [Adult,50pcs,12x8] 

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