N95 masks are examples of personal protective equipment used to protect the wearer from particles or liquids contaminating the face. The N95 mask has been recommended by US experts as the best protection from SARS. The mask has a BFE (Bacterial Filtration Efficiency) of >99%. N95 masks are the US equivalent of Europe. The masks are designed for use in infection control applications. N95s and similar high-filtration respirators provide the best protection against COVID-19. In addition, these masks are ISO and CE certified with B+C2 test reports.