Peak Performance: Keep your robot vacuum running smoothly by replacing the accessory kit every 6 months (based on usage frequency). Great Value Bundle: Includes 2 pairs of side brushes, 2 filter sets, 1 roller brush, 1 brush guard, 1 dust bag, 1 roller mop, and 1 water tank filter. Accessories are made of high-strength materials to ensure optimal performance. Tool-Free Installation: Effortlessly replace parts on your robot vacuum with a simple, straightforward process that requires no additional tools. Note: To protect your robot vacuum and extend its lifespan, we recommend using genuine eufy replacement parts. Third-party alternatives may not be compatible and may affect performance.