In this article we clarify which type of respirator or facemask is best suited for which purpose. Commonly, all masks are called facemasks. A distinction must be made between cloth masks, medical-grade masks (surgical facemasks) and FFP half-face respirator masks. The common facemask, eventhough sterile and a product of medical-grade protects others rather than the person wearing it. Filtering half masks or respirator (FFP2/FFP3/KN95/N95), first and foremost, protect the person wearing the mask from splashes and aerosols produced by others....