This column from Thermo Scientific, model 22205-150265, is designed for use in biological laboratories. It is a Hypersil HyPURITY column with dimensions of 50x4.6mm and 5U. This column is perfect for use in chromatography applications and is compatible with a variety of medical and laboratory equipment attachments and accessories. It is a high-quality product that meets the needs of professionals in healthcare, lab, and dental fields, as well as those in the business and industrial sectors. Buyer pays shipping and handling. Check out my store many great deals. Thanks for looking!!