New, high-quality materials, well-made, durable, and compatible with your device. Clean accessories help maintain your home robot’s optimal performance. Designed for easy removal and replacement as part of routine maintenance, they help reduce the spread of dust, pollen, and other allergens into the air. For best cleaning and filtration results, replace accessories every 2–3 months depending on usage frequency. The filter captures dust, dirt, and other impurities吸入 by the sweeping robot, helping to keep the unit clean and functioning properly. It also prevents debris from entering the motor and internal components, aiding in extending the robot's lifespan. Color: As Shown Material: Nylon Package Contents: 4 x Main Brush 2 x Filter 1 x Cleaning Brush Only the above package content is included; other items are not part of this set. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement tolerance: ±1–3 cm.