1.Choose the Autosampler vial as volume - vial, Closure Jan 21, 2021 · Aijiren Snap top HPLC vial is made with more glass in the neck area of the vial than the crimp ring sample vial. The HPLC vial size is 11.6x32mm; the Poly snap cap is designed for use with the Snap Seal. this snap vial will fit virtually any crimp finish vial with any liner