1. Enhanced cleaning efficiency: This roller brush has thick and soft main bristles that can deep clean the floor, effectively remove stubborn stains, and ensure that no area is missed, ensuring that every area the robot passes through can be fully and carefully cleaned. 2. Innovative adjustable roller brush: Equipped with an adjustable roller brush, it can rotate to sweep dust directly into the dust box. This accessory can effectively prevent hair entanglement and maintain the cleanliness and efficiency of the vacuum cleaner. 3. Durable dual counter-rotating extractors: These extractors are made of sturdy rubber with durable treads, which can expertly pick up and break down all types of floor dirt and debris. The design ensures long-lasting performance and reliability when dealing with various cleaning challenges. 4. Simple and quick installation: This roller brush is simple in design and can be quickly installed without any tools. It is an ideal solution to restore the vacuum cleaner to its best working condition with minimal effort and time. 5. Optimal performance and adaptability: Installing our products can ensure the life and continued performance of the vacuum cleaner. Its rugged construction prevents rapid wear and tear, making it a reliable choice for everyday cleaning, ensuring you have enough replacements to keep your equipment running at its best for longer. Function: Consumables Use environment: Home use Colour:As Shown Material:plastic for Xiaomi Mijia 3 Max/3 Pro/2 Package Contents: 2 * Roller Brush Only 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.