General description Replacement Parts Accessories for IRobot Roomba S9 (9150), S9+ S9 Plus (9550), and S Series Vacuum Cleaner are designed to maintain the peak performance of your home robot. Made from high-quality materials, these durable accessories ensure a perfect fit and easy replacement as part of your routine maintenance. Regularly replacing these parts helps reduce the infiltration of dust, pollen, and other allergens into your living space. Technical specifications Material: Plastic Package Contents: 2 sets of main brushes, 4 side brushes, 4 filters, 4 dust bags, 1 cleaning brush, 1 driver Measurement allowed error: +/- 1-3 cm Usage To achieve optimal cleaning and filtering results, it is recommended to replace the cleaning accessories every 2-3 months, depending on usage frequency. The HEPA filter included can significantly improve air quality by reducing particle size by up to 99.97%, effectively removing household dust, pet dander, and other allergens. Additionally, the