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 the cleaning effect. The parts have a longer life cycle and better cleaning effect, which protects the robot from excessive wear and reduces the service life. Vacuum Cleaner Parts Silver ion Bacteriostatic Module Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Compaitble for Debot X2 / X2 Pro /X2 Omni Material: cloth+plastic colour: 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.