This Maytronics Dolphin™ 9991034-ASSY Wave Preventative Maintenance Kit is a reliable replacement part, designed to seamlessly intergrate with the original pool cleaning system. The maintenance kit ensures a long-service life for the pool cleaner. 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.