Ideal for sidewalks and driveways, the rotary surface cleaner is a pressure washer accessory that quickly and easily cleans large outdoor surfaces. With its 14 in Dia, this accessory is a must-have to perform large cleaning jobs fast. It features an easy-to-attach quick coupler that makes it compatible with any Stihl RB pressure washer. Plus, its large rotating spray bar creates pressure that lets the rotary surface cleaner effortlessly glide along the cleaning surface.