Cleaning the 2-in-1 Dust Compartment with Water Tank 1. Open the cover of the vacuum-mop, then pinch the clips on both sides of the 2-in-1 dust compartment with water tank, as shown in the figure. 3. Empty the contents of the dust compartment. Clean the compartment using the cleaning brush, then align and reinstall the filter. 4. Reinstall the 2-in-1 dust compartment with water tank into the vacuum-mop until it clicks into place, then close the cover of the vacuum-mop. 2. Take out the filter assembly, then remove the filter and sponge filter to clean them. 15