The ornamental design for a brushroll for a floorcleaning apparatus, as shown and described.
FIG. 1 is a front, right perspective view of a brushroll for a floor cleaning apparatus showing our new design;
FIG. 2 is a front, left perspective view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a right side view thereof; and,
FIG. 6 is a left side view thereof.
The details shown in broken lines form no part of the claimed design. In the figures, the brushroll for a floor cleaning apparatus is shown with a texture of small irregular lines that are provided to represent a microfiber material.