About this item Advanced 2-in-1 Microfiber Technology — Vileda's UltraMax refill combines red and gray fibers for an impressive capacity Remove the toughest dirt and white fibers for excellent cleaning performance and shiny floors. Removes over 99% of bacteria — Thanks to Using advanced microfiber technology, the Vileda 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 tile, vinyl, stone, wood and laminate. Compatible with all Vileda flat mop systems — The refill