For the health of you and your family, and to take good care of your robot, it is recommended to choose high-quality products and replace the accessories to ensure the cleaning effect. The parts a longer life cycle and better cleaning effect, which protects the robot from excessive wear and shortens the service life. Vacuum Cleaner Parts Silver Ion Bacteriostatic Module Please note: The physical color difference or difference does not affect the use, please don't worry! Compatible for Debot X2 / X2 Pro /X2 Omni Material: cloth + plastic color: as shown Package Contents: 2 x Silver Ion Modules Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.