FIG. 1 is a front perspective view of an elbow for respiratory mask according to our design;
FIG. 2 is a reverse perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a right side view thereof with the left side view thereof being a mirror image thereof.