Polishing and grinding unit. Two drum filters keep the air clean and remove dust from the environment. 1/4 HP suction motor will process 500 cfm (cubic feet of air per minute). Two mounted aluminum polishing hoods contain dust, polishing compounds, and debris. Includes two-speed 26 Red Wing high-base lathe. Can be used with most dust-collection applications in the lab, including plaster, stone, tripoli rouge and aluminum oxide. 1-year warranty.