The ornamental design for an engagementmember for airmask, as shown and described.
FIG. 1 is a front, right side perspective view of an engagement member for air mask showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is an exploded perspective view showing the design of FIG. 1 within an air mask.
The subject design is an engagement member for air mask that connects and fixes between the mask body and silicone support frame for the sealing of the air mask. The broken lines indicate portions of an air mask that are shown for the purpose of illustrating environmental structure and form no part of the claimed design.