Shimadzu Vial Packs Part Number Description Colour 226-50512-00 Vial Kit , Standard, 2ml Clear glass, 9mm, includes vial, bonded Si/PTFE cap and septa, pk 100 Clear 226. Aijiren 18mm crimp top headspace vials with flat bottom for . Shimadzu now offer a complete range of Headspace Vial Kits for GC in both Crimp and Screw Top configurations.