Pet water fountain

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

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

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is an exploded view of FIG. 1 thereof; and,

FIG. 10 is an exploded view of FIG. 2 thereof.

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