Medical masks, common medical masks for disposable non-woven masks, gauze masks, and anti-virus masks. 1. The disposable non-woven mask has more than three layers, which can isolate bacteria and dust. Moreover, it is safe and reliable without the risk of secondary infection. 2. Gauze mask, which has been used for a long time, is widely used in medical field and scientific research field. 3. The anti-virus mask is mainly made of non-woven fabric, with a filter layer in the middle. The filter layer is generally made of melt blown cloth. It has the effect of sterilization and sterilization. Let's talk about ordinary masks. Medical masks: the professional sports masks of respro meet the needs of all kinds of sports. The equipment of outdoor sports enthusiasts of bone ash class cherish life and stay away from PM2.5. Let's look at the N95 standard mask produced by 3M. If you don't know N95, move to the role of a mask. This mask is no worse than the medical one. Take a look at this, canteen common, there is a good name: transparent smile mask. Then look at this, industrial dust mask. Is it really bluffing. Then look at a very common mask, I saw it a lot when I was a child, but now it is a little less, and I have some nostalgia. Take a look at everyone's appearance: This is not very pull bang!!! To sum up. According to the subject, medical treatment is not high-end, ordinary is not loser. The main function and application occasions are the functions. In the era of high air pollution brought by industrial society, the development of masks has become a unique field. According to the application situation and user needs, the subdivision field will be constantly improved and developed. Therefore, whether it is medical or ordinary, the difference may be the style, the filtering accuracy, the application occasion, or the respiratory comfort I wish you all choose a beautiful mask of your own.