Humidifier

FIG. 1 is a top, front, left side perspective view of the humidifier;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an exploded perspective view of the humidifier;

FIG. 9 is a second exploded perspective view thereof; and;

FIG. 10 is a third exploded perspective view thereof.

The broken lines and portions shown in lowered opacity in the drawings show portions of the humidifier that form no part of the claimed design.