网页2022/12/30 · PTFE septa cap for 2ml vials Waters-Aijiren HPLC Vials Vials & Screw Thread Cap & Septa of 9-425 Screw Top Glass Vial [WATERS] LCGC Certified Clear Glass 12 x 32 mm Screw Neck Vial, with Cap and Preslit PTFE/Silicone Septum, 2 mL Volume, 100/pk Part Number : 186000307C Waters Certified vials are tested for cleanliness by