Exhaust fan

USD1149000SActive Publication Date: 2026-09-22LIU YAN

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[0001] FIG. 1 is a front, right and bottom perspective view of an exhaust fan showing my new design;

[0002] FIG. 2 is a rear, left and top perspective view thereof;

[0003] FIG. 3 is a front view thereof;

[0004] FIG. 4 is a rear view thereof;

[0005] FIG. 5 is a left view thereof;

[0006] FIG. 6 is a right view thereof;

[0007] FIG. 7 is a top view thereof; and,

[0008] FIG. 8 is a bottom view thereof.

The ornamental design for an exhaust fan, as shown and described.