4DXCi prepFAST autodilution system for NexION 1000/2000. Includes 4DXCi autosampler with autocorrecting capabilities, mobile stand, three rinse/FAST pumps, DXi valve module, prepFAST S400V syringe system and line valve assembly, prepFAST bottles kit, PFA prepFAST nebulizer, tubing kit, and prepFAST completion kit