Applicable model: the water tank is suitable for S7, T7S, T7S Plus, G10, great user experience. Please check your robot vacuum model before purchasing. The water tank for S7 can improve machine operation and make cleaning smoother and faster. High-quality water tank: the water tank is made of high-quality plastic material, the fine workmanship makes it and not easy to damage. Made of high quality material, and long lasting. Large capacity, energy and water saving, good sealing, more convenient for wiping. Easy to install: As part of the normal maintenance of the sweeping robot, it can be easily disassembled and replaced. You can replace old or parts directly to achieve higher strength and that the vacuum cleaner is in good working condition. Improve performance: Timely replacement of spare parts helps your robot vacuum cleaner maintain good cleaning performance, uses the wiping function for additional cleaning after vacuuming, improves the efficiency of floor cleaning and maintains the performance of your robot vacuum cleaner. Colour:As Shown Material:plastic Package Contents: 1 x 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.