Main products: 2ml 8mm screw top autosample vial 2ml 9mm screw top autosample vial 2ml 10mm screw top autosample vial 2ml 11mm snap autosample vial 2ml 11mm crimp autosample vial 4ml storage vial 8ml storage vial 12ml storage vial EPA vial 10ml 18mm screw top headspace vial crimp top headspace vial rubber stopper flip off caps pp caps PTFE/silicone septa