Agilent stainless steel capillaries are used in the high-pressure part flow path to make connections between different HPLC modules and column. All Agilent HPLC capillaries are engineered and manufactured to provide the best fit to Agilent instruments and columns to protect the integrity of your results at every step of your LC flow path. Agilent’s unique laser welding process ensures that all capillaries' ends are absolutely flat, eliminating any chance of capillary-induced dead volume.