2020 Sundance Spas Optima Hot Tub 880 Series. This is a fantastic spa. Great condition. It comes with a new cover and new knobs. It has a cover lifter installed to keep the cover off the ground. This unit is a 3 pump system (2 jet pumps and 1 circulation pump). This spa has great insulation and is very efficient. The whole unit has been looked over by a sundance certified technician. Text with any questions or to schedule a time to come look at the spa.