These high-quality 11 mm glass vials are 2 mL, 12 x 32 mm and fit most brands of autosamplers. Made of superior quality 33 expansion borosilicate clear (Type 1, Class A), they meet all requirements of US, EU, JPN Pharmacopia. Choose from Aijiren brands. 11mm crimp vial crimp top vial crimp vial hplc sample vials hplc vials manufacturer