A PVC brush helps a compatible robotic cleaner maintain grip and contact with the pool surface while supporting scrubbing action, and this Maytronics Dolphin Liberty gray version uses the 6101602 reference. Surface-contact parts like this matter because cleaner travel and cleaning effectiveness both depend on dependable brush behavior.This brush has practical value because the PVC construction and Liberty-specific fitment help preserve the intended behavior of the original cleaner platform. A properly selected Maytronics replacement supports more reliable movement and contributes to more consistent cleaning results.This type of part is especially useful when the original brush has become worn, smooth, or less effective at gripping and scrubbing. That helps restore cleaner performance without replacing broader movement assemblies.Installed in the proper application, this PVC brush helps support cleaner traction and more dependable overall cleaning action. Gray PVC 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 and cleaning consistency Improves operating confidence and maintenance results