General description The Replacement Parts Roller Brushes Set for iRobot Roomba S9 (9150), S9+ and S9 Plus (9550) is designed to enhance the performance of your vacuum cleaner. These high-quality rubber brushes effectively capture dirt, dust, pet hair, and other small particles from various floor types, ensuring a cleaner home environment. Technical specifications Color: Green Material: Rubber Package Contents: 2 sets of roller brushes, 4 strainers, 8 side brushes, 1 screwdriver, 1 cleaning brush Measurement allowed error: +/- 1-3 cm Installation No tools required for installation Easy replacement of the main brush Usage Recommended to change the brush every 2 to 4 months Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.