1. Remove the brush head and install the self-cleaning head (transparent).
2. Turn on the vacuum cleaner.
3. Press the trigger to spray water for 20-30 seconds.
4. The brush head can be disassembled for thorough cleaning.
5. Remove the dirty water tank, open the cap, and separate the filter from the container.
6. Empty the tank and rinse the container and the filter.
7. Let all parts dry before reassembling them.

Yes, it can also be used for completely domestic purposes

It is a product designed for textile surfaces where more dirt is absorbed. In materials like leather, it usually does not absorb as much dirt, so it is not necessary to use this product.