The ornamental design for a sprinklertop, as shown and described.
FIG. 1 is a perspective view of a sprinkler top showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is an opposite side view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a front view thereof; and,
FIG. 8 is a perspective view of the sprinkler top positioned on top of an exemplary sprinkler.
The broken lines show environmental matter that forms no part of the claimed design. The stippling is used to indicate a different appearance of selected portions of the design.