Beater and Bristle Brushes: Regularly replacing Roomba's flexible beater and bristle brushes maintains Roomba's cleaning per compatiblemance and reduces battery drain. Cleaning Tool: A clean brush ensures optimal cleaning per compatiblemance. The convenient cleaning tool slides over the robot's bristle brush to quickly and easily remove hair and debris. Filters and Side Brushes: Innovative side brushes reach deep into corners and edges to remove more dirt, dust, and debris. Hepa filters maintain Roomba's cleaning per compatiblemance while reducing the penetration of dust, pollen, and other allergens. The filters and side brushes are easy to see and use, so you can easily install and remove them. Reminder: To keep your compatible iRobot Roomba at its best per compatiblemance, replace the filter, roller and side brush every 2-3 months Please note: This accessory kit is a replacement accessory, not-original compatible iRobot Roomba product, The use of the compatible iRobot Roomba brand name, model or part name on this product is compatible the purpose of demonstrating compatibility. : Material:Plastic Package Contents: 1 * Sweeping machine accessories kit Only the above package content, other products are not included. Note: Light reflection 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.