Dehumidifier

FIG. 1 is a top, rear, left side perspective view of a dehumidifier, showing my design. FIG. 2 is a bottom, front, right side perspective view thereof. FIG. 3 is a front elevation view thereof. FIG. 4 is a rear elevation view thereof. FIG. 5 is a left side elevation view thereof. FIG. 6 is a right side elevation view thereof. FIG. 7 is a top plan view thereof. FIG. 8 is a bottom plan view thereof; and, FIG. 9 is another bottom, rear, left side perspective view thereof, showing another state of use with a tank drawer removed. The broken lines shown in the drawings are included for the purpose of illustrating portions of the dehumidifier that form no part of the claimed design.