Tower Fan

FIG. 1 is a perspective view of a tower fan showing this design;

FIG. 2 is another view of a tower fan showing this design;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

Broken lines illustrate portions of the tower fan that form no part of the claimed design.