Improved cleaning efficiency: This roller brush features thick, soft bristles that gently agitate and absorb dust, dirt and debris from hard floors, deep clean floors, effectively remove stubborn stains, and that every area the robot passes through is thoroughly cleaned. materials: This accessory is made of materials and can be washed and reused. This design ensures long-lasting performance and reliability even when facing various cleaning challenges. Easy and fast installation: This accessory is designed for WDB1F2 HydroVac AW201 AW302 WD201 WD100 WD200 WD101 WD200C vacuum cleaners. Installation is simple and can be completed quickly without any tools. It is the ideal solution to get your vacuum cleaner back to optimal working condition. Cleaning advice: Regular cleaning and replacement of accessories can significantly extend the life of your equipment. By maintaining optimal function, these accessories can that your vacuum cleaner operates at optimal efficiency and potential