General description Replacement main side brush designed for J20 and W20 models, made from new, high-quality materials. These accessories are essential for maintaining your home robot's performance, ensuring it operates at its best. Regular replacement of these parts helps reduce the infiltration of dust, pollen, and other allergens into the air. Technical specifications Material: Plastic Package Contents: 2 x main brush, 6 x side brush, 6 x filter, 12 x dust bag Measurement allowed error: +/- 1-3 cm Usage To achieve optimal cleaning and filtering performance, it is recommended to replace the cleaning accessories every 2-3 months, depending on usage frequency. The filter effectively captures dust, dirt, and other impurities, preventing them from entering the motor and extending the robot's service life. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.