1. The side brush is made of wear-resistant nylon material, with moderate hardness. It won't scratch the floor and can remove deep dirt 2. It is recommended to replace the spare parts every 2 to 4 months to ensure that your robot cleaning device operates at high performance continuously 3. Equipped with appropriate installation tools and cleaning tools. The installation method is simple 4. High quality material, wear-resistant and durable, with a long service life 5. Applicable models: - For iRobot Roomba 600 Series 694 / 692 / 690 / 614 / 680 / 660 / 651 - For iRobot Roomba 650 & 500 Series 595 / 585 / 564 / 552
