Pricing. 29654-U. volume 2 mL, amber glass vial (with marking spot), natural PTFE/silicone septa (with slit), thread for 9 mm. Pricing. Match Criteria: Product Name, Keyword. Snap Ring vial, 2 mL, 12 x 32 mm, large opening (6.0 mm) Snap Ring vial, 2 mL, 12 x 32 mm, large opening (6.0 mm) Product Number.