Portable water treatment device

[0001]FIG. 1 is a top, front perspective view of a portable water treatment device showing our new design;

[0002]FIG. 2 is a right side elevation view thereof;

[0003]FIG. 3 is a left side elevation view thereof;

[0004]FIG. 4 is a top plan view thereof;

[0005]FIG. 5 is a bottom plan view thereof;

[0006]FIG. 6 is a front elevation view thereof;

[0007]FIG. 7 is a rear elevation view thereof;

[0008]FIG. 8 is another front elevation view of the portable water treatment device, shown in an environment of use;

[0009]FIG. 9 is a top, rear perspective view thereof; and,

[0010]FIG. 10 is a bottom, front perspective view thereof.

[0011]FIGS. 1-10 show portions of the portable water treatment device in broken lines. The broken line portions form no part of the claimed design.