FIG. 1 is a perspective view of a bubble rack.
FIG. 2 is a right side elevation view of the bubble rack shown in FIG. 1.
FIG. 3 is a front elevation view of the bubble rack shown in FIG. 1.
FIG. 4 is a left side elevation view of the bubble rack shown in FIG. 1.
FIG. 5 is a rear elevation view of the bubble rack shown in FIG. 1.
FIG. 6 is a bottom view of the bubble rack shown in FIG. 1.
FIG. 7 is a top view of the pusher display unit shown in FIG. 1.
FIG. 8 is a perspective view of the bubble rack shown in FIG. 1, showing environment in broken lines.
FIG. 9 is a left side elevation view of the bubble rack shown in FIG. 1, showing environment in broken lines.
FIG. 10 is a front elevation view of the bubble rack shown in FIG. 1, showing environment in broken lines.
FIG. 11 is a right elevation view of the bubble rack shown in FIG. 1, showing environment in broken lines.
FIG. 12 is a rear elevation view of the bubble rack shown in FIG. 1, showing environment in broken lines; and,
FIG. 13 is a top view of the bubble rack shown in FIG. 1, showing environment in broken lines.
The broken lines form no part of the claimed design.