Compatibility: for V7 V8 SV10 SV11 cordless vacuum cleaners. Large capacity design: a spacious water tank that stores more water and dirt, significantly reducing the need to empty it often and allowing you to clean larger areas without interruption. Easy installation and operation: quick and simple to connect to your vacuum, easy to install and remove, so you can start cleaning immediately after attachment. Hygienic cleaning and maintenance: dust box is designed for easy cleaning with a smooth surface and accessible components, enabling quick flushing and routine maintenance to ensure dirt and grime do not remain behind. Use scenarios: - In a large living room or open plan space, use the water tank to reduce frequent pauses for emptying during a longer cleaning session. - For kitchens and tiled areas, handle spills and wet messes more efficiently with this higher capacity dust box. - In cars, offices, or upholstery cleaning, the easy attachment and larger capacity help you cover smaller or more delicate areas without constant emptying.