1. Duo roller main brush: The double rubber main brush enhances suction efficiency and minimizes tangling. It effectively picks up hair and debris from hardwood floors, tiles, and all carpet types for effortless cleaning. 2. Compatible Models: Works with S8, S8, S8 Pro Ultra, Q8 Max, Q8 Max, Q5 Pro, and Q5 Pro as an original replacement. It reduces error alerts on carpets for smoother operation. The multidirectional floating mechanism ensures close contact with uneven surfaces for deeper cleaning. 3. Quality Material: Durable rubber brush delivers consistent performance on floors and carpets while extending lifespan. The dual rubber rollers boost suction power and reduce hair entanglement, improving hands cleaning. 4. AntiSplash Design: These robot vacuum accessories have an antisplash structure to prevent dirt from scattering onto the machine or surroundings. Long hair is directed to the brush edges for easy removal, significantly reducing tangles.