This is a Dolphin Maytronics Tune Up Kit for Oasis Z5i Robotic Pool Cleaner
This kit includes:
6101611-R4: Climbing Rings Pack of 4
6101656-R4: Grey Climbing Brush Pack of 4
9985006-R2: Grey Track Pack of 2
9991432-R4: Ultra Fine Filter Cartridge Pack of 4
9991433-R4: Spring Cartridge Panel M4 M5 Pack of 4