Treatment brush head

This application is related to U.S. Non-provisional patent application Ser. No. 14/825,316, filed Aug. 13, 2015, each of which is incorporated by reference herein, in the entirety and for all purposes.

FIG. 1 is an isometric view of a treatment brush head.

FIG. 2 is a top view of the treatment brush head of FIG. 1 .

FIG. 3 is a front elevation view of the treatment brush head of FIG. 1 .

FIG. 4 is a right-side elevation view of the treatment brush head of FIG. 1 .

FIG. 5 is a left-side elevation view of the treatment brush head of FIG. 1 .

FIG. 6 is a rear elevation view of the treatment brush head of FIG. 1 .

FIG. 7 is a bottom view of the treatment brush head of FIG. 1 ; and,

FIG. 8 is a cross-section view of the treatment brush head of FIG. 1 taken from a cutting plane as indicated in FIG. 3 that cuts the treatment brush head in half.

The broken lines depict portions of the article that form no part of the claimed design.