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.