[Material] Replacement parts are made of high-quality environmentally friendly materials to optimal performance and a healthier lifestyle. It is a good helper to keep your house truly clean and improve the air quality of your family. [High-efficiency filter] Reduces dust penetration while maintaining cleaning performance. High-quality materials, well-made, , and highly matched with the device. Cleaning accessories keep your home robot at its best performance. Accessories can be easily removed and replaced as part of daily maintenance. It can also reduce the infiltration of dust, pollen and other into the air you breathe. Long-lasting and filters can effectively filter fine particles such as dust in the air. For optimal cleaning and filtering effects, cleaning accessories should be replaced every 2-3 months depending on the frequency of use. Colour:As Shown Material:plastic Package Contents: 1 * Replacement Parts kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.