The Vileda Ultramax XL is perfect for cleaning all hard floor surfaces such as wood, ceramic tiles, laminate, and parquet. It is 20% wider, making it ideal for cleaning larger areas. Thanks to its microfiber fibers, the Vileda cartridge not only perfectly cleans even stubborn dirt, but also effectively removes over 99% of bacteria using only water. We recommend replacing the cartridge every 6 months to maintain maximum cleaning power. The Vileda Ultramax cartridge is reusable. It can be machine washed and reused. For best cleaning performance, we recommend replacing the cartridge with a new one every 6 months. **