Compatible Model This side brushes accessory kit compatible with 500600700 Series 650550760780 Robot Vacuum Cleaner. PREMIUM QUALITY - Made with premium PC and etched with high precision machine tools to ensure a fit between the accessories and your vacuum. EASY TO INSTALL - Snap into place for quick and effortless routine replacement. If the side brushes are bent, please place them in hot water (about 80℃) for several minutes to recover; it will not affect the quality and performance of the items.