A wide variety of autosampler vials 12*32mm options are available to you, such as classification, industrial use, and surface handling. LCGC certified, Amber Glass 12 x 32 mm Screw Neck Vial, with Waters Certified vials are tested for cleanliness by HPLC and held to tightest dimensional tolerances in the industry. LCGC certified, Amber Glass 12 x 32 mm Screw Neck Vial, with Cap