Jan 14, 2022 · W224609. CHROMATOGRAPHY VIAL PACKS, BONDED SEPTA – Chemglass Convenience packs with 2.0mL, 12 x 32mm clear vials • I-D vials have marking spots and graduations (0.5, 1.0 and 1.5mL) • Proper fit assured – caps and Sample Vials and Accessories has a PTFE/silicone septum bonded to the polypropylene cap, using Waters A