The Waters Xterra RP18 5um 3.0x250mm pre-used column is a high-quality chromatography column designed for use in medical and biological laboratories. Manufactured by Waters in Ireland, this unit is specifically intended for separation and analysis of various compounds in samples. With a 5um particle size and 3.0x250mm dimensions, this column offers excellent resolution and efficiency for a wide range of applications. Perfect for researchers and professionals seeking reliable and consistent performance in their analytical workflows.