The ornamental design for exercise equipment for pets, as shown and described.
FIG. 1 is a first perspective view for exercise equipment for pets;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The dash-dot-dash line represents a borderline between the claimed design and other portion. The portions shown by dotted and dash-dot-dash lines are for illustrative purposes only and form no part of the claimed design.