1% Brand New and High Quality. 2. Durability: The high-standard materials make this water tank to be durable; 3. Suitable for Xiaomi Mi Robot Vacuum Cleaner Robots; 4. Replacing your spare points on time can help your robotic vacuum cleaner hold the finest cleansing performance. Compatible with model: Item for Xiaomi for Roborock S50 S51 S55 T4 T6 MI Robot Vacuum Cleaner. size:315 x 125mm Material:ABS colour:Transparent Package Contents: 1 x Water Tank Only the above equipment content, different products shouldn't included. Note: Light reflection and sundry exhibits may cause the color of the item in the photograph a bit varied from the genuine thing. The size allowed error is +/- 1-3cm.