Wall exhaust fan

USD1103362SActive Publication Date: 2025-11-25SHANGHAI CASTOR TECHNOLOGY CO LTD

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[0001] FIG. 1 is a perspective view of a wall exhaust fan, showing my new design;

[0002] FIG. 2 is another perspective view thereof;

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

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

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

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

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

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

[0009] Broken lines illustrate environment and form no part of the claimed design

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