The ornamental design for a showerhead, as shown and described.
In a preferred embodiment, the nature of this product is a flush wall-mounted round tile showerhead primarily useful for delivering a water spray from a water supply.
FIG. 1 is a right, front perspective view of a showerhead embodying our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevational view thereof, the left side elevational view thereof being a mirror image of the right side shown;
FIG. 6 is a rear elevational view thereof; and,
FIG. 7 is a right, front perspective view of the showerhead of FIG. 1 shown with a nozzle plate pivoted with respect to a housing.
The broken line representations in the figures are for the purpose of illustration only, and form no part of the claimed design.