General description Replacement Parts for X9 Pro Hepa Filter Side Brush are made from new, high-quality materials that are well-crafted and highly compatible with your equipment. These clean accessories help maintain your home robot's optimal performance by reducing the infiltration of dust, pollen, and other allergens into the air you breathe. Regular replacement of these accessories is essential for effective cleaning and filtering. Technical specifications Material: Plastic Package Contents: 4 Side brushes, 4 Filters 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 the frequency of use. The filter functions to trap dust, dirt, and other impurities sucked in by the sweeping robot, ensuring it operates cleanly and efficiently while extending its service life. Other information Note: The accessories may have slight differences, but this does not affect