Maytronics Dolphin Proteus DX4 Drive Components/Used
Maytronics Dolphin Proteus DX4 Drive Components/Used Something here may be of some use to get a robot back to work on a budget
Ultra Fine Filter For Dolphin Active 20 Explorer E30 M600 Proteus DX4 9991467-R4
The Ultra Fine Filter is specifically designed for Dolphin pool cleaners, including the Active 20 Explorer E30 and Proteus DX4 models. The filter panels are black and white in color, making them easy to identify and install in your pool cleaning system.