The Hewlett Packard CombiHT SB-C18 21.2x150mm 5µm Column is a high-quality chromatography column designed for use in physical, medical, and biological laboratories. With a brand name like Hewlett Packard, you can trust in the reliability and precision of this product. The 21.2x150mm size and 5µm column provide optimal separation efficiency for a variety of laboratory applications. Whether you are analyzing samples in a research setting or in a medical or industrial setting, this column is sure to meet your needs.