volume 20 mL clr crimp neck headspace vial ultra low bleed ptfe septa ISI, Israel Scientific Instruments Ltd. 1 Dram,15x45mm Vial,13-425mm,PTFE Lined 100/PK | ISIL 4.0mL Amber Vial, 15x45mm, 13-425 Thread 100pk | ISIL 2 Dram, 17x60mm Vial, 15-425mm Thread, White Pol | ISIL Headspace Vials, Caps and Kits | Aijiren Tech Scientific – US Offering both screw-top