Welcome to the store!1. Improved cleaning efficiency: With thick and soft bristles, this roller brush can deep clean floors and effectively remove stubborn stains, ensuring that every area the robot passes through is thoroughly cleaned.2. GENTLE YET EFFECTIVE: Our roller brush bristles are soft to the touch, perfect for cleaning a variety of surfaces while ensuring a thorough clean without damaging your floors.3. Material: This accessory is made of materials and can be washed and reused. This design ensures long-lasting performance and reliability when facing various cleaning challenges.4. Easy and quick installation: This accessory is designed for Pro B402HW B402CN. It is easy to install and can be installed quickly without tools. It is the ideal solution to restore your vacuum cleaner to optimal condition.5. Cleaning recommendations: Regular cleaning and replacement of accessories can significantly extend the life of the device. By maintaining optimal function, these accessories can ensure that your vacuum cleaner operates with optimal efficiency and potential expensive maintenance costs.Function: ConsumablesUse environment: Home useColor: As shownMaterial: plasticPackage contents:1 * Roller brushOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.Your satisfaction is our highest priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!