Print Waters Corp LCGC Certified Clear Glass 12 x 32 mm Screw Neck Vial, Total Recovery, with Cap and PTFE/Silicone Septum, 1 mL Volume, 100/pk Manufacturer: Waters Corp 186000384C Waters Certified vials are tested for cleanliness by HPLC and held to tightest dimensional tolerances in the industry. Catalog No. 50-782-514 $212.04 / Pack of 100