Dolphin M400 pool robot - Life Is Better At The Pool
Parts Diagram - Maytronics Dolphin Supreme M4
Amazon.com : Robotic Pool Cleaner Spring Filter Cartridges Compatible with Dolphin Nautilus CC Plus, M400, M500, Large Fine Filter Panels Replacement, Part 9991433-R4, 4 Pack : Patio, Lawn & Garden
99996644-MAS Dolphin Maytronics Master M4 pool robot