General description Replacement Parts Kit for 800 900 Series 850 860 861 866 870 880 890 Robotic Vacuum Cleaner Accessory is designed to enhance the performance of your vacuum cleaning robots. This kit is compatible with various models, ensuring optimal cleaning efficiency. Technical specifications Compatible Models: 850, 860, 861, 864, 866, 870, 871, 880, 890, 891, 900 series, 960, 961, 964, 980, 981, 985 Purification Efficiency: 99.98% Measurement Error: +/- 1-3 cm Compatibility and accessories 2 x Roller brush 4 x Side brush 4 x Filter 4 x Screw 1 x Roller 2 x Cleaning tool Usage It is recommended to replace the accessories every 3-6 months to maintain the vacuum cleaner in top working condition. This ensures that the vacuum continues to operate efficiently and effectively. Other information Color: Photo color Material: Plastic Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.