The general degreasing gauze mask is a kind of protective health care product, which has certain filtering effect on microorganism, droplets and dust in the air, and is used for the prevention of general diseases.

Medical protective mask is the first choice for the prevention of H1N1. This kind of mask has high quality standard, good filtering effect, strong tightness and moisture resistance. Secondly, N95 mask can be selected, which conforms to the national occupational safety and Health Association standard (NIOSH) N95 approval, N95 standard, and N95 standard. When a particle air flow with a diameter of 0.075 μ m passes through the mask, and the barrier success rate is more than 95%, it conforms to N95 standard (the diameter of coronavirus swine influenza virus and SARS is about 0.1-0.12 μ m). This mask is high-performance medical, anti-virus and bacteria isolation. In case of short supply, disposable medical masks and ordinary absorbent gauze masks can also be selected. The common civil mask is a kind of daily health care product, which is mainly used to keep out the cold. There is no uniform requirement for its material and specification.

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