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Stealth masks

2020 Jul 04

A mask is similar to a stuffed nose.Both ends of the connection line are provided with slots for loading disposable filters.Both ends can be inserted into the nostril, this invisible mask does not cover the mouth.It's more like two little sniffles.When wearing can be inserted into the nostril, and then nano electrostatic filter cotton can automatically isolate dust, and does not affect the normal breathing.

The principle:

The so-called invisible mask is a respirable nasal obstruction that ACTS as a filter.In fact, it contains a kind of activated carbon that can somewhat isolate some of the larger dust particles and absorb some of the toxic gases.The first mask may be useful for some large particles, that is, it blocks ashes and pollen, but surely such a simple mask is useless for PM2.5