Flagship of the Sundance Spas stable is the Sundance 850 range. The world's most advance, innovative, attractive, powerful hot tub, the Sundance 850 range sets the course that others follow. With exclusive patented features such as the MicroClean filtration system for the purest water, Fluidix and Vortex hydrotherapy jet technologies for the most reliable and relaxing of massages, SunStrong maintenance-free cabinetry, Rigid-Bond superior strength shell with the most ergonomic and comfortable forms, and the most easy to operate, and inexpensive to run controls, the Sundance 850 range is quite simply the world's best hot tub; without any peers!