A brush helps a compatible robotic cleaner maintain surface contact while supporting scrubbing and movement, and this Maytronics Dolphin Liberty gray version uses the 6101635 reference. Brush condition directly affects how effectively a cleaner can grip the pool surface and perform its cleaning cycle.This part has practical value because it is matched to the Liberty cleaner platform rather than acting as a general substitute. A properly selected Maytronics replacement helps preserve original fit and contributes to more dependable cleaner traction and contact performance.This type of part is especially useful when the original brush has worn down, hardened, or lost effectiveness after repeated use. That helps restore the cleaner’s working behavior without replacing unrelated surrounding components.Installed in the proper application, this brush helps support cleaner movement and more dependable scrubbing performance. Gray brush for compatible Maytronics Dolphin Liberty cleaner applications Helps support traction, surface contact, and scrubbing action Useful when replacing a worn or ineffective original brush Supports cleaner movement consistency Improves surface engagement and service confidence