One, the sketch of the mask is:
Two, the correct way to wear the mask
The correct way to wear the mask is that the blue one is outside. Generally speaking, different colors of masks are color that side of the outside, such as blue, pink, purple and so on that side of the outside, the color of the white side of the inside, close to our face. Not only that, the mask is also divided into upper and lower, inside the metal bar feel harder side is the upper end, when wearing is close to the bridge of the nose.
Generally blue medical mask by the mask face body and tension band, which mask face body is divided into inner, middle and outer three layers, the inner layer of skin-friendly materials, the middle layer of isolation filtration layer, the outer layer of special materials for the anti-bacterial layer.
This high-efficiency medical mask is hydrophobic and breathable, and has a significant filtering effect on tiny aerosols with viruses or harmful dust, but it can't effectively filter PM10 and PM2.5, and the overall filtering effect is good, and the materials used are non-toxic and harmless, which makes the mask comfortable to wear.