Koblenz SP15 Accelerator gives you Green operation. Removes floor finishes without the added cost of of using toxic or hazardous chemicals. Boost you productivity up to 5,000 sq ft/hour. The Koblenz SP15 rectangular design allows you to reach corners that are missed by rounds pads. The Koblenz SP15 comes with a powerful 1.5 HP heavy duty sealed induction motor with 3500 RPM. Works on both wet or dry surfaces. This Koblenz is ideal for scrubbing, screening, and sanding.