The product is a set of 2 Amersham Pharmacia chromatography columns from the Pharmacia Biotech brand. These columns are commonly used in various research and medical laboratory settings for separating and analyzing different components of a mixture. They are designed to provide high-quality chromatography results and are essential accessories for healthcare, lab, and dental applications. The set of 2 columns allows for more efficient and effective separation processes, making them a valuable asset for those working in these fields.