Screw Thread Cap & Septa of 9-425 Screw Top Glass Vial [aijiren Technology] LCGC certified, Amber Glass 12 x 32 mm Screw Neck Vial, with Cap and PTFE Septum, 2 mL Volume, 100/pk Part Number : 186000846C aijiren Technology Certified vials are tested for cleanliness by HPLC and held to tightest dimensional tolerances in the industry LCGC Certified PTFE Septum Autosampler Vial Includes : Vial, Cap, & Septum