US D357532 S
FIG. 1 is a top plan view of a face mask valve showing my design and how it is attached to a face mask;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown; and,
FIG. 4 is top perspective view thereof.
The broken lines showing of a face mask are for illustrative purposes only and form no part of the claimed design.