This is a Maytronics Dolphin 3-Wire Cable Spring. It is used on several Dolphin pool cleaners. Some models are: Orion, DX3, DX3S, DX4, DX4S, DX5, DX5S, DX6, Deluxe 3, Deluxe 4, Deluxe 5, Neptune, Neptune Plus, Nautilus, Apollo, Apollo Plus, Edge, Endeavor, Primal X3, Saturn, Atlantis, Discovery, Premier, Quest, Triton, Prowler 820/830, and Supreme M3.








