1.5 mL polypropylene autosampler vial, 12 x 32mm, 100/pk. Amber vials are recommended to protect light-sensitive samples. Requires cap 220-97331-27 with non-slit PTFE/silicone septa, cap 220-97331-28 with pre-slit PTFE/silicone septa, or PE septumless cap 220-91521-12. Note that the septumless cap is a thin membrane and NOT resealable after punctured by the autosampler needle. For multiple injections from the same vial, a cap with a PTFE/silicone septum is recommended.