AO-SM102 is upgrade facial mask of personal protective equipment that used to protect the wearer from airborne particles and from liquid contaminating the face. It is a respiratory protective device designed to achieve a very close facial fit and very efficient filtration of airborne particles. Surgical N95 Respirators are commonly used in healthcare settings and public personal protection, especially in this novel coronavirus pneumonia outbreak period, everyone should wear effective face masks to prevent from infection or attack by the virus. An N95 mask is currently the best face mask available for retail distribution. Although the verdict is still out on the true effectiveness of any mask regarding this highly contagious virus, this type of mask is currently the best you can purchase to avoid contracting the virus from a cough.