General description 100% brand new and high quality, this accessory set for Dreame Bot W10S, W10S Pro, and W20 Robot Vacuum Cleaners is made of high-quality materials for enhanced durability. The side brush is designed to reach deeper into carpets for a more thorough clean, while the HEPA filter effectively captures fine dust, preventing allergens from entering the air. Technical specifications Color: as shown Material: plastic Package Contents: 2 x Roller Brush 4 x Side Brush 4 x HEPA Filter 5 x Mop 2 x Mop Holder 1 x Clean Brush Measurement allowed error: +/- 1-3 cm Usage For optimal performance, it is recommended to replace the spare parts every 2 to 3 months. The uniquely designed brushes with rubber treads adapt to various floor surfaces, effectively removing everything from small dust to larger debris.