Diagnostic Basic Non Return Diaphragm

This is a Maytronics Diagnostic Basic Non Return Diaphragm replacement. These are used with a variety of Dolphin cleaner models. Some models include: Orion II, DX3, DX4, DX6, Deluxe 3, Deluxe 5, Supreme M3, Nautilus, DLX4/5, Apollo, Apollo Plus, Endeavor, Atlantis, Triton, Edge, Wave 75, Pentair Prowler 820/830, Quest, Discovery, Saturn, Primal X3, DLX3S, DLX4S, DLX5+S, Neptune, Neptune Plus, Advantage Plus, and H50.