250µL Glass Flat Bottom Insert for 2mL small opening Crimp Vials 11mm Silver Crimp Cap, Red PTFE/White Silicone with Slit. HPLC GC Vials | Cuvet.Co Cells V8006, 8mm Diameter, 8-425, Cap+Septa, No Hole, Screw Cap, PTFE/ Silicone V9022, 9mm Diameter, Vial Insert Only, Flat Bottom, Clear, 300μL, 100pc/ea.