The water tank can clean the floor and work with the vacuum cleaner to achieve a better cleaning effect. During use, the water tank can be filled with water, and the water volume should not overflow the silicone ring. After installation, improve the overall performance of your vacuum cleaner. The cleaner is more efficient and cleaner. Soft and fine fiber mop, cleans the floor effectively, cleans the floor with or without water, perfect for all hard floors. Compatibility: Dyson V7 V8 V10 V11 V6 DC58/59/62. Package contents: 1 water tank, 6 mops