The Dayton 20 Dual Speed Floor Scrubber/Polisher, model 4NEK1, is a powerful buffer equipped with a disc brush and pad, perfect for a 20-inch cleaning path. With a brush and pad speed of 175 rpm and a noise level of more than 70 dB, this dual-speed scrubber provides efficient and effective cleaning. The walk-behind style and cord length of 41-50 ft make it easy to maneuver and reach different areas of the floor. With a horsepower of 1.75 and voltage of 120V AC, this versatile cleaner is ideal for various business and industrial applications.