US D451678 S1
FIG. 1 is a top plan view of a brush head of a toothbrush showing the new design;
FIG. 2 is an enlarged, fragmentary, top plan view showing the design of the bristles thereof;
FIG. 3 is a side view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a first end view thereof; and,
FIG. 6 is a second end view thereof.
The broken lines are for illustrative purposes only and form no part of the claimed design.