About this item Advanced 2-in-1 Microfiber Technology — Vileda's UltraMax refill combines red and gray fibers for impressive removal of the toughest dirt and white fibers for excellent cleaning performance and shiny floors. Removes over 99% of bacteria — Thanks to With advanced microfiber technology, Vileda's UltraMax refill removes over 99% of bacteria with just water - no need to use detergents. Machine washable and reusable – The UltraMax refill is machine washable up to 60°C. Wash with similar fabrics. For consistent cleaning power, we recommend replacing it every 6 months. Suitable for all floor types — The UltraMax refill can be used to remove grease and stubborn dirt on all floors, such as tiles, vinyl, stone, wood, and laminate. Compatible with all Vileda flat mop systems — The refill