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Cigarette fillter / Medical/health care

Cigarette fillter
Cigarette fillter

This product as a bracelet as worn on the wrist, the carrying is convenient, the master after finishing smoking can be secondhand smoke into the filter, was filled with the smoke in the air will be filter absorption, the protection of the environment, but also protect the people around.

University

Shandong university of science and technology,

Shandong university of science and technology,
Qingdao, China

Xiangli Lou,
Shandong university of science and technology,