1. Practicality: Designed specifically for the Roborock Flexi Pro A20 A20Pro floor scrubber. These tailor-made accessories ensure a perfect fit and functionality. 2. Enhanced cleaning efficiency: The roller brush effectively cleans a variety of floor types, such as hardwood, tile, marble, laminate, and linoleum, and can clean thoroughly without damaging the floor surface. 3. User-friendly maintenance: Both the roller brush and the filter are designed for easy maintenance. The filter can be rinsed with water to maintain its efficiency and should be replaced every 3 to 6 months to ensure optimal performance of the floor scrubber. 4. Advanced filtration technology: The filter is able to capture 99.97% of all particles as small as 0.3 microns, including dust, pollen, and other allergens, ensuring a cleaner and healthier environment in your home. 5. Enhanced durability: This set includes 1 brush roller, 2 filters. Make sure you always have enough spare parts on hand to ensure that you can replace them in time as needed, thereby maintaining the optimal performance of the floor scrubber and extending its life.<br><br>Function: Consumables Use environment: Home use Colour:As Shown Material:plastic<br><br>Package Contents: 1 * Roller Brush 2 * Filter<br><br>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.