Fan

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

FIG. 2 is a bottom, right side, rear perspective view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of detail 9 encircled in FIG. 2 ; and,

FIG. 10 is an enlarged view of detail 10 encircled in FIG. 2 .

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