This Maytronics 6203703 2 x 2 Filter Screen 3001/2002 for use with Dolphin Diagnostic 3001, 2002, 2x2, Advantage, Commander, Explorer, Interactive, Heavy Duty Robotic Pool Cleaners is a reliable replacement part, designed to seamlessly intergrate with the original pool cleaning system. The filter screen collects unwanted debris, protecting the internal system. Maytronics pool cleaners help keep your pool healthy and clean, which is of the utmost importance. Ensure that your pool cleaner is running as cleanly as possible with this certified genuine part.