Can KN95 Masks be anti-virus? - TOMTOP BLOG
Mar 02, 2020·Therefore, wearing a KN95 mask can effectively prevent the virus. However, what needs to be popularized here is that qualified masks that meet all the standards of GB2626 have no anti-penetration requirements. The biggest difference between it and medical surgical masks is here. Medical surgical masks have anti-permeability requirements, and ...