Koblenz Commercial Polisher P-1800: The Cleaning Machine P-1800 is a commercial style Koblenz twin brush machine for home use. Featuring the powerful two speed 4.2 amp all metal motor, this model comes with all of the Koblenz standard accessories for hard floor care (see list below). The P-1800 does not the dispenser, but can be equipped with dry-powder shampoo brushes. This rugged unit includes a T-bar handle with grips for increased stability and ease of use during extended cleaning sessions and carpet cleaning. The P-1800 also has a chromed die cast metal housing for superior wear resistance and beautiful looks.