5).PTFE/Silicone Septa Φ20*3mm Temperature Resistant -60-200 with 9mm thread. 6).Crimp-top Aluminum Cap, 10mm Centre Hole Φ20m. 7).Crimp-top Blue Magnetic Aluminum cap, 10mm Centre Hole Φ20mm available. About 6mL vials: 1).6ml crimp vials ,22*38mm. 2).suitable metrohm instruments. 3).Available with amber or clear vial.