This Maytronics Dolphin™ 9995822-SGL 3 Wire Single Swivel for Dolphin™ 2x2 and 21R is a reliable replacement part, designed to seamlessly intergrate with the original pool cleaning system. The swivel adds important functionality in the pool cleaner 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.