The product is Agilent SD-2 Purification System, a high-efficiency purification system that includes Agilent 325 UV/VIS Dual WL Detector, Agilent SD-2 Solvent Delivery Modules, Agilent 530 OPTO y p Software g Control Module, Agilent 530 Fluidics Module, etc., and can meet the needs of large-scale applications.