From hospitals and schools, to sports centers and manufacturing floors, the Advance SC500 walk-behind scrubber ushers in a new wave of productivity in the places where cleaning professionals need it most. With a modern design engineered to provide better control and improved sightlines, this compact 20 inch and 12 gallon disc scrubber cleans both effectively and quietly. Using Quiet Mode, the SC500 is one of the quietest machines, offering daytime cleaning.