This part also works in place of part 1624773 Brush Roll for select BISSELL Robotic Vacuums including EV675 Multi-Surface Robotic Vacuum Cleaner, series 2503 and CleanView Connect Robotic Vacuum, Series 2933. To clean the brush roll, follow these directions: Pinch the tabs on the Brush Guard inward and pull to remove. Lift to remove the Brush Roll Clean the Brush Roll with the Cleaning Tool Replace Brush Roll and Brush Guard NOTE: The Brush Roll has two different end pieces. Ensure the square-shaped end piece is inserted into the square-shaped port. Brush Roll for Select Robotic Vacuums 1618520