Green Klean brush rolls are manufactured with a solid wood body, precision ball bearings and nylon bristles to help eliminate noise and vibration. Vacuum Accessory Type: Brush Roll; For Use With: Windsor 12" Sensor & Versamatic Plus, Flexamatic 12, Sebo X,G, C, & Felix; Diameter: 1.5"; Material(s): Nylon Bristle; Wood Body.