US D305166 S
FIG. 1 is a front perspective view of an anesthesia respiratory face mask showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown.