3M 1860 N95 Face Mask

CFDA and US FDA certification
Protects against certain pathogenic microorganisms
High-efficiency electrostatic filter cotton, the filtration efficiency of non-oily particles is above 95%
Its design has barrier properties against blood and other infectious liquid substances-synthetic blood is sprayed to the mask at a pressure of 80mmHg, and there should be no penetration inside the mask

Respiratory protection for occupational medical personnel, protection against certain pathogenic microbial particles (such as viruses, bacteria, mold, anthrax, tuberculosis, etc.)