This Maytronics Dolphin DX3 99954301 70 Micron Filter Bag for Dolphin DX3, Orion Robotic Pool Cleaners is a reliable replacement part, designed to seamlessly intergrate with the original pool cleaning system. The filter bag collets unwanted debris, ensuring proper operation overall. 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.