Made of high quality materials for durability. Brush the sides deep into corners and edges to remove more dirt, dust and debris. As part of normal maintenance, it can be easily removed and replaced. It is best to replace the spare parts every 2 to 3 months to keep the robot operating at peak performance. Compatible models: for Combo113 R113840 Color: green Material: plastic Package Contents: 2 * Roller Brushes 6 * Filters 6 * Rags 6 * Side Brushes Only 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 +/- 1-3 cm.