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Visual Respiration Mask / Respirator Mask

Visual Respiration Mask
Visual Respiration Mask

Visual Respiration Mask is on the basis of ordinary mask adding a non-woven fabric layer mixed with pH solution. With breathing CO2 and H2O in a certain period of time causing the reagent components on the non-woven fabric to discolor. And the service life of the mask is determined. At the same time, a drawstring is nested in this layer. After use, the mask can be quickly folded only by pulling out the drawstring to avoid touching pollution.


Zhejiang University

Zhejiang University
Hangzhou, China

Qihao Xue,
Zhejiang University

Jia-ao Wang,
Zhejiang University