India 0.2ml 2ml HPLC vial insert distributor-HPLC Vial Inserts Search results for 2 ml hplc vial at Sigma-Aldrich 27261-U black polypropylene hole cap, thread for 8-425, PTFE/silicone, Top Hat (septa and closure designed to fit together tightly), for use with 2 mL vial