Beijing 3M9332 genuine protective mask with breathing valve to prevent dust and particles

The particulate protective mask complies with the standard and the elastic band is red for identification. It is used to protect highly toxic and radioactive particles during operations, and protects against extremely fine viruses and bacteria. It has a filtration efficiency of more than % and is more suitable for hot and humid environments or long-term wear for protection. The diameter of the source of coronavirus SARS and influenza viruses is about microns, which is larger than the interception particles of masks and is easier to intercept. Used to protect against highly toxic and radioactive particles and metal fumes during welding operations. The filtration efficiency is above %. It is more suitable for hot and humid environments or long-term wearing protection. It is suitable for construction, stone mining, textile grinding, hardware casting, pharmaceuticals, electronic pharmaceuticals, material processing and grinding, etc. It has a good dust-proof effect against sandstorms in industries such as protection of dust generated during the epidemic, price, manufacturer
1: The mask is packaged independently, and the air inside is not circulated. Some customers will feel a smell, which is not the smell of the mask itself. It is emitted by the rubber rope that fixes the mask. You can open it and dry it in a ventilated place for a few hours before use, and the smell will be reduced.
Two: The mask is made of polypropylene and has a slight product smell. This is an attribute that any high-level professional mask has and is an unavoidable problem. Therefore, customers who are very sensitive to smells should be careful.
Three: Masks are not disposable masks and can be used repeatedly. We recommend that the cumulative use time is
days. When not in use, they can be packaged in food-grade ziplock bags to ensure the cleanliness of the masks.
Four: It is not recommended to clean any professional-level masks. Cleaning will cause protective leakage and increased breathing resistance. In addition, the mask is a maintenance-free product. There is no need to replace other accessories and filter materials. It can only be discarded as a whole after use and replaced with a new mask