The ornamental design for a dehumidifier, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1. Dehumidifier
1.1 : Front
1.2 : Back
1.3 : Left
1.4 : Right
1.5 : Top
1.6 : Bottom
1.7 : Perspective
The name of the present design product: dehumidifier; the use of the present design product: the design product is used to adjust indoor humidity and air freshness; the design gist of the present design product: the shape of the product; the picture or photo best showing the design gist of the present design product: perspective view; the background color forms no part of the claimed design.