The HPLC Column Lichrospher 60 RP-Select-B 5µm 250x4,6 is under the Altmann column category, which has a diameter of 4,6 mm, a length of 250 mm, and a pore and particle size of 60 Å and 5 µm. Its column is described as a LiChrospher and also has an RP-Select B packaging.