Tower Humidifier

FIG. 1 is a perspective view of a tower humidifier showing our new design, as seen from the front, top, and left side; FIG. 2 is a front end elevation view thereof; FIG. 3 is a left side elevation view thereof; FIG. 4 is a back end elevation view thereof; FIG. 5 is a right side elevation view thereof; FIG. 6 is a top plan view thereof; and, FIG. 7 is a bottom plan view thereof. Where included, surface shading is used to show the character and contour of all surfaces of any three-dimensional aspects of the design, and forms no part of the claimed design. Where included, the broken lines illustrate structure, features, or boundaries which form no part of the claimed design.