General description Fit for Freo X Ultra/J4 Filter Mop Cloths Rag Robot Accessory is made from new, high-quality materials that are well-crafted and highly compatible with the equipment. These clean accessories enable your home robot to maintain optimal performance while effectively reducing dust, pollen, and other allergens from the air you breathe. Regular maintenance is easy with accessories that are simple to remove and replace. Technical specifications Material: Plastic Package Contents: 1 x Main brush 8 x Side brushes 8 x Filters 8 x Mop Cloths Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtration effect, it is recommended to replace the cleaning accessories every 2-3 months, depending on the frequency of use. The filter's function is to capture dust, dirt, and other impurities inhaled by the sweeping robot, ensuring it remains clean and operates normally. Additionally, the filter prevents dust and dirt from entering the robot's motors and other