Thorough Cleaning, Peace of Mind: The innovative brush, Allows greater reach into corners and edges to remove dirt, dust and debris, keeping your home clean. Easy to install and Durable: accessories set made of high-strength material, easy to install, replace them in time and increase the life of your equipment. guarantees that our accessories for 600 series are your best assistant in your daily life offers the best service for you filter brushes spare parts compatible 600 605 610 614 616 620 621 625 630 635 640 650 660 665 670 671 676 680 681 690 691 695 etc. To ensure that your home robot operates at performance and reduces battery consumption, we recommend that you replace the filter and brush every 2 to 3 months. If the hair on the side brushes gets tangled due to transportation, just leave them in the warm/hot water for a while. Colour: as shown Material: Plastic Package Contents: 1 pair x roller brush 4 x side brush 4 x screws 3 x filter 2 x cleaning tool Only the above package content, other products are not included. Note: Light 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.