Patent ID: 8430100

Claim:
A face mask, comprising: a) filter mask material having a face edge and a front portion, the face edge forms a first opening to an interior of the mask, the mask material converging from the face edge to the front portion; b) the filter mask material comprising at least two sections, with one section located along the face edge and extending toward the front portion and the other section incorporating the front portion and extending toward the one section, wherein when the one section is removed, a second face edge is created, forming a second opening into the mask interior, with the second opening smaller than the first opening; c) at least one separation zone on the filter mask material between the sections; d) the at least one separation zone comprises a visible predetermined tearable line on the filter mask material to assist in tearing the filter mask material along the separation zone; e) a nose strip coupled to the mask material in each section; and f) the at least one separation zone is located between the nose strips.