BETE Fog Nozzle”sScrubMate nozzle is a rotating washing nozzle that offers solidcleaning capabilities at low pressures and low flowrates to providegreater economy. The self-cleaning, compact design fits through smallopenings. O.D.: SM50 – 1.93″ (49mm), SM75 – 2.38″ (72mm), SM30 – 1.38″(35mm). With a high-impact scrubbing action, the ScrubMate has a slowrotation speed that provides better cleaning.