These fixed volume protein columns are available in 9 internal sizes (5, 8, 10, 15, 20, 25, 30, 37, and 50 mm) and in 10 column lengths (100, 200, 300, 400, 500, 600, 700, 800, 900 and 1000 mm), offering a wide choice of bed volumes. The column is suitable for medium pressure (5-7bar).