Compatible with Shark ION Robot Vacuum Cleaner R85 (RV850 & RV850BRN & RV850C), R71 (RV700_N), R72 (RV720_N, RV725_N), R75 (RV750_N), S86 (RV850WV), S87 (RV851WV), S8888888888888,8851WV S888888888888888888888888V, S88888888W8888881, 8888888888888888888888WV, WV885) S88 (RV860). WVC), RV761, RV771, RV871, AV751, AV752, AV753. Not applicable to the following models: RV700, RV720, RV750, RV750C, RV755, R101, R101ae. The side brush Shark's innovative ion robot can reach deep into corners and edges to remove more dirt. and debris. The filter and brush are easy to clean. withdraw and to replace as part of daily maintenance. Replace the ion robot filter every 2-3 months to maintain the performance of the robot vacuum. Regularly replace the flexible mixing brush and the cleaning brush. hairs every 3 to 4 6 months. The accessory kit includes 1 main brush and 2 side brushes, 6 vacuum filters and 1 cleaning brush.