The product is a new sealed Tosoh Bioscience 08543 TSKgel Guard SW xl column, designed for SWxl columns with a 6.0mm inner diameter and 4.0cm length, and with a 7um pore size. This guard column is specifically manufactured by Tosoh Bioscience in the United States for use in medical and laboratory settings. The TSKgel Guard Column ensures the proper fit and functionality for the SWxl columns, providing a reliable and high-quality product for scientific research and healthcare applications.