A combination brush helps a compatible robotic cleaner maintain traction and surface contact while supporting scrubbing action, and this Maytronics Dolphin gray version uses the 6101656 reference. Brush components are important because cleaner movement and cleaning quality both depend on dependable engagement with pool surfaces.This brush has practical value because the combination style is intended to balance movement support with active cleaning contact rather than serving as a simple generic roller. A properly selected Maytronics replacement helps preserve original fit and contributes to more dependable cleaner travel and scrubbing consistency.This type of part is especially useful when the existing brush has hardened, worn smooth, or lost the grip needed for reliable surface interaction. That helps restore the cleaner’s working behavior without replacing larger surrounding assemblies.Installed in the proper application, this combination brush helps support cleaner traction and more dependable overall cleaning performance. Gray combination brush for compatible Maytronics Dolphin cleaner applications Helps support traction, surface contact, and scrubbing action Useful when replacing a worn or ineffective original brush Supports cleaner movement consistency Improves cleaning performance and service confidence