Easy to Install: Easily replace parts on your robot vacuum with a simple, straightforward process that requires no additional tools. Genuine Accessories:This replacement accessory kit includes: Side Brush ×2, Dirty Water Tank Filter ×2, Roller Brush and Brush Guard ×1, Dust Bag ×3, Roller Mop ×2, and Replacement Filter ×2. Maintain Peak Cleaning Performance: Keep your machine running smoothly by replacing the accessory kit every 6 months (based on usage frequency). Note: To protect your robot vacuum and extend its lifespan, we recommend using genuine eufy replacement parts. Using third-party parts may result in substandard performance.