Side Brush: The practical side brush is compatible with robot vacuum cleaners, does not scratch the floor and furniture design, easy to collect and durable. HEPA FILTER: Robot vacuum cleaner design compatible with HEPA filter, durable dust box easy to clean in use. Main Brush: It is recommended to replace it every 6-12 months. The practical rotating brush is compatible with robot vacuum cleaners. Floating structure for deep cleaning. It is best to replace the spare parts every 2-3 months to keep the machine in perfect working condition. Compatible with Withmance 5-arm side brushes, it has stronger cleaning power than ordinary 3-arm side brushes. The double-effect cleaning angle main brush is designed with removable terminals, which can easily remove the terminals on both sides of the roller for deep cleaning. Material: Plastic Package Contents: 2 * Main Brush 4 * HEPA Filter 4 * Pentagon Side Brush 1 * Comb 1 * Cleaning Tool, the above package content, the product is not included.