General description Replacement Parts Kit suitable for iRobot Roomba S9(9150), S9+(9550), and S Series vacuum cleaners. This kit includes high-quality, durable materials that are perfectly matched to the original equipment, ensuring your home robot operates at peak performance. Regular maintenance with these clean accessories helps prevent dust, pollen, and other allergens from entering the air you breathe. Technical specifications Material: Plastic Package Contents: 2 sets of main brushes, 8 side brushes, 8 filters, 10 dust bags, 1 cleaning brush, 1 screwdriver Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtering effect, it is recommended to replace the cleaning accessories every 2-3 months, depending on usage frequency. The HEPA filter can improve air quality and reduce particle size by up to 99.97%, effectively removing household dust, pet dander, and odors from pets, smoke, and cooking fumes.