General description High-quality replacement accessories designed for the 7490 Immortal and 8290 Immortal vacuum cleaners. These components are essential for maintaining optimal performance and efficiency of your home cleaning robot. Regular replacement of these accessories helps reduce the infiltration of dust, pollen, and other allergens into the air. Technical specifications Material: Plastic Package Contents: 2x Main brush, 4x Side brush, 4x Filter, 4x Mop Cloth Measurement allowed error: +/- 1-3cm 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 filter functions to trap dust, dirt, and other impurities, ensuring the robot operates effectively and prolonging its lifespan. 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.