FIG. 1 is a perspective view of my cleaning brush head design as viewed from below;
FIG. 2 is a front elevational view thereof, the rear elevational view thereof being a mirror image and symmetrical to the front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a sectional view taken along the line 7—7 of FIG. 3.
The broken lines showing a handle are for illustrative purposes only and form no part of the claimed design.