Fan

FIG. 1 is a first perspective view of the fan showing our new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines immediately adjacent to the shaded areas depict the bounds of the claimed design and form no part thereof. All other broken lines illustrate environment and form no part of the claimed design.