PREMIUM QUALITY MATERIAL - The products are made of high-strength and environmentally friendly materials to optimal performance and a healthier lifestyle. Helps clean the vacuum cleaner and makes your lifestyle healthier Replacement Accessories for the original damaged, non-working, or missing one Compatible with For W10/W10 Pro Vacuum Cleaner. As part of normal maintenance, it can be easily removed and replaced The silver ions in the water tank of W10Pro are not included... Compatible with model: For W10/W10 Pro Robot Color: Transparent grey Material: ABS Package Contents: 1 x Sewage Water Tank 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.