Vials, GC, HSS-2A/B 10PCS/PKG (2) Vials, GC, Septa, Grey Butyl Rubber Stopper, for 20mm Headspace vial,100pk. Vials, GC, SEPTUM, 8MM BLUE SILICON/PTFE. Vials, Headspace 10ml Clear 23x46mm Rounded Bottom Pack of 100. Vials, Headspace 10ml Clear 23x46mm Rounded Bottom Pack of 1000.