Haiweikang mask is a China substitute for N95 mask. According to the report, the US Centers for Disease Control said that the KN95 mask is as effective as the N95 mask and is one of the suitable substitutes. According to 3M company, the largest mask manufacturer in the world, KN95 is equivalent to N95 mask, and its functions can be expected to be very similar.
The smog prevention rate of Haiweikang mask is above 95%, and it has four layers of protective filters. Activated carbon adsorption, physical isolation.