The Mercury MFM PRO-21 is a powerful 1.5HP floor machine designed for scrubbing and polishing tasks. With a Brush & Pad Speed of 175RPM and a 20-inch size, it is suitable for various floor cleaning applications. This machine features an adjustable handle for user comfort and control during operation. Cord length provides flexibility and mobility while working in larger areas. Overall, the Mercury MFM PRO-21 is a reliable choice for commercial and industrial floor cleaning needs.