US D493520 S1
FIG. 1 is a perspective view of a flow generator casing according to an embodiment of the present invention;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a right side view thereof; and,
FIG. 6 is a rear view thereof.