Tornado Vortex 13 Multi-Surface Auto Scrubber - 13", Commercial Cleaner (TS050-W13-U)The Tornado Vortex 13" Walk Behind Floor Scrubber (Model TS050 W13 U) is a compact, high performance cleaning machine built to handle a variety of surfaces, from hard floors to low pile carpets and even rubber mats. Its 13 inch counter rotating cylindrical brush system delivers deep scrubbing power, effectively lifting dirt, grime, and debris from textured floors and grout lines. Operating at 650 RPM with a low moisture design, the Vortex 13 uses 30%