For use with snap caps or aluminum crimp seal closures, these high-quality 11mm amber glass vials are 2mL, 12x32mm and fit most brands of autosamplers. Made of superior quality 51A (Type 1, Class B), they meet all requirements of US, EU, JPN Pharmacopia. Choose from Thermo ScientificTM, Thermo ScientificTM NationalTM and Thermo ScientificTM