SilentPower motor for performance that is seen, but not heard, Designed for use with Mirka Ceros electric orbital sander, Approved for work with M Class hazardous dust, Variable power vacuum control, Integrated 400w outlet with Auto On Off vacuum for use with electric tools, Powerful enough for use with multiple users with the optional dual operator kit, Washable PET fleece filter for high efficiency and low maintenance costs, Includes one filter element and one dust bag, 127 CFM, SKU: HDSRBR5961