Fan

FIG. 1 is a top, front right perspective view of the fan showing my design;

FIG. 2 is a left view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top rear left perspective view.

The broken lines represent portions of the fan that form no part of the claimed design.