We claim the ornamental design for a showerhead and adjustable bracket, as shown and described.
FIG. 1 is a left elevation view of a showerhead and adjustable bracket in a neutral position.
FIG. 2 is an upper-right-front perspective view of the showerhead and adjustable bracket in the neutral position.
FIG. 3 is a bottom plan view of the showerhead and adjustable bracket in the neutral position.
FIG. 4 is a top view of the showerhead and adjustable bracket in the neutral position.
FIG. 5 is a front elevation view of the showerhead and adjustable bracket in the neutral position.
FIG. 6 is a rear elevation view of the showerhead and adjustable bracket in the neutral position.
FIG. 7 is a lower-left-front perspective view of the showerhead and adjustable bracket in the neutral position.
FIG. 8 is a front elevation view of the showerhead and adjustable bracket in a lowered position.
FIG. 9 is a left elevation view of a showerhead and adjustable bracket in the lowered position.
FIG. 10 is an upper-right-front perspective view of the showerhead and adjustable bracket in the lowered position.
FIG. 11 is a left elevation view of a showerhead and adjustable bracket in a raised position.
FIG. 12 is an upper-right-front perspective view of the showerhead and adjustable bracket in the raised position.
FIG. 13 is a left elevation view of the showerhead and adjustable bracket in the neutral position with the showerhead tilted outwardly; and,
FIG. 14 is an upper-right-front perspective view of the showerhead and adjustable bracket in the neutral position with the showerhead tilted outwardly.
The broken line showing of portions of the claimed design is included for the purpose of illustrating and forms no part of the claimed design.