Package of 10mL clear headspace round bottom vials with 20mm aluminum crimp caps (silver in color) and Silicone/PTFE Septa. Cap: 20mm silver aluminum crimp caps, Septa: (White)/PTFE (Beige), 45° shore A, 3.2mm, Vial Deminsions: 10mL, 46 x 22.5mm round bottom Package Size: 100/pk Nonmagnetic cap. For use with HS-10 and HS-20.