Humidifier

FIG. 1 is a top right side perspective view of a humidifier showing my design;

FIG. 2 is front view of my design;

FIG. 3 is a rear view of my design;

FIG. 4 is a left side view of my design;

FIG. 5 is a right side view of my design;

FIG. 6 is a top view of my design; and,

FIG. 7 is a bottom view of my design.

The broken lines represent portions of the humidifier that form no part of the claimed design.