Accessories can effectively remove pet hair; dirt; dust and debris. They are suitable for various types of hardwood; carpet and ceramic tile.The parts and accessories are made of environmental-friendly materials and are almost maintenance free.To keep your robot running at peak performance; the parts are recommended to be replaced every 1-3 months.Daily replacement can be carried out quickly and easily without any tools.Model: For Irobot Roomba R113840 Robot Vacuum Cleaner PartsColour: greenMaterial: plasticPackage Contents:2 * Roller brushes3 * Filters6 * Side brushesOnly the above package content; other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.