Water cooling device

FIG. 1 is a front, top, right perspective view of a water cooling device, showing our new design;

FIG. 2 is a front, top, left perspective view thereof;

FIG. 3 is a back, top, left perspective view thereof;

FIG. 4 is a back, bottom, left perspective view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a left view thereof;

FIG. 8 is a right view thereof;

FIG. 9 is a top view thereof; and,

FIG. 10 is a bottom view thereof.

The broken lines in the drawings depict portions of the water cooling device that form no part of the claimed design.