The ornamental design for a sprayer, as shown and described.
FIG. 1 is a perspective view of a sprayer in accordance with my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view of the sprayer shown in FIG. 1 and illustrating an example environment in which the sprayer may be used, whereby the sprayer is releasably coupled to a handle of a container.
The details shown in broken lines are for illustrative purposes only and form no part of the claimed design.