Maximize liquid chromatography (LC) performance and get virtually zero-dead-volume connections to ensure optimal separations. Thermo Scientific Viper Capillary Stainless Steel Fingertight Fittings for HPLC and UHPLC Systems are easy to use and enable fast, tool-free setup, even for the most advanced column- and valve-switching configurations. Compatible with virtually any common column and valve type, it is suitable for system pressures of up to 1310 bar (19,000 psi).