Mouth and nose coverings and their use

摘要

Oral and nose covering, comprising a base body made of an elastic plastic for receiving an exchangeable filter material, which is arranged between the base body and the face of the wearer and / or on an outer surface of the base body, the base body being continuously and anatomically shaped in the area of the center of the face without interruption is, and adjoin the area of the center of the face at least partially grid-like areas.