Rotary Pool and Spa Brush

FIG. 1 is a front, top, left perspective view of a rotary pool and spa brush showing our new design; FIG. 2 is a front, top, right perspective view thereof; FIG. 3 is rear, bottom, left perspective view thereof; FIG. 4 is a front elevation view thereof; FIG. 5 is a top plan view thereof; FIG. 6 is a bottom plan view thereof; FIG. 7 is a right side elevation view thereof; and, FIG. 8 is a left side elevation view thereof. The evenly spaced broken lines in the figures depict portions of the rotary pool and spa brush that form no part of the claimed design. The long-dash, short-dash lines depict a boundary and form no part of the claimed design.