Compatible with iRobot Roomba s9 (9150) s9+ s9 plus (9550) Wi-Fi connected robot vacuums. High performance: Premium side brushes reach deep into corners and edges to remove more dirt, dust, and debris. The HEPA filter blocks 99.97% of pollen, dirt, dust, pet dander, and other particles as small as 0.3 microns. The premium rubber brushes are perfectly matched, one for stripping dirt and the other for sweeping it. Maintenance: To ensure that the iRobot roomba operates at its best performance, it is recommended to replace the HEPA filter every 2 months, and replace the side brush every half month, or Color: As shown in the picture Material: Plastic + Rubber Size: 25cm Package Contents: 2 sets * Main Brush 6 * Side Brush 4 * Filter 1 * Cleaning Brush 1 * Screwdriver Only the above package content, other products are not included. Note: Light shooting and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement