FIG. 1 is a perspective view of the brush taken from the rear right of a new design for a brush according to the present invention;

FIG. 2 is a top plan view thereof which is a mirror image of the bottom plan view thereof;

FIG. 3 is a right side elevation thereof which is a mirror image of the left side elevation thereof;

FIG. 4 is a front elevation thereof; and,

FIG. 5 is a rear elevation thereof.

The broken line structure is for illustrative purposes only and forms no part of the claimed design.