Maytronics 99919116 Bottom Lid Assembly Fits the following Dolphin Maytronics Cleaners Only: Orion, Orion 2, DX3, DX3s, DX4, DX4s, Supreme M3, Neptune, Neptune Plus, Apollo, Apollo Plus, Endeavor, Atlantis, Saturn, Primal X3, Deluxe 3, Nautilus There is NO parts bag available to fit this bottom lid. Please make sure your pool cleaner is on the list above. If it is not, this will not fit and you are responsible for return shipping.