The Agilent ZORBAX Extend 300 C18 Chromatography Column is a high-quality product manufactured in the United States. With a size of 2.1 x 50 mm and a particle size of 3.5 µm, this column is designed for efficient separation and analysis in chromatography applications. As part of Agilent's ZORBAX line, known for its reliability and performance, this column is ideal for use in research, medical, or industrial laboratories requiring precise and accurate results.