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Which brand of disposable mask is good? What are the indicators?

which brands of masks have good quality and good effect? What are the hard indicators? Let's take a look at it with sihai.com.

the brands of masks are relatively good, including 3M masks, Honeywell masks, Kimberley masks, delta masks, etc., but the best one is to choose the one that suits you. The correct choice of masks is the premise of whether your respiratory protection can achieve real and effective protection. 1. In order to achieve real safety, comfort and economic protection, we suggest you choose kn100 grade dust mask. 2. Try to choose a mask with La certification. Choose kn95 or kn100 as the protection level. 3. Try to choose the half mask with the main body of silica gel. Comfortable to wear, low respiratory resistance. Only in this way can you go out safely in the haze weather, give yourself a healthy life, and add points for your health.