Fitment: for E30 Ultra/x40/s20/x30 Ultra Smooth Cleaning Support: robot vacuum solution tank helps improve everyday floor care by supporting a more organised release of cleaning liquid during household cleaning routines. The balanced liquid flow effect contributes to a cleaner indoor environment while helping regular maintenance feel smoother, more manageable, and visually satisfying throughout daily use Enhanced Floor Care Experience: smart floor cleaning box improves the convenience of automated cleaning by helping cleaning solution handling remain more controlled during operation. The refined liquid distribution effect supports a fresher home atmosphere while creating a more comfortable and enjoyable cleaning routine for different living spaces and floor care activities Convenient Daily Maintenance: vacuum liquid storage tank supports easier household cleaning by helping floor care routines feel more organised during repeated operation. The practical liquid management effect contributes to smoother cleaning performance while improving the overall convenience of maintaining tidy and visually pleasant indoor environments Cleaner Home Atmosphere: automatic mop fluid case enhances the overall feeling of home cleanliness by supporting a more streamlined cleaning process during daily use. The organised liquid handling experience contributes to a more comfortable household environment while helping automated cleaning tasks feel less demanding and more efficient throughout regular routines