Make sure this fits by entering your model number. Clear Vial Material : ND9mm Screw Thread Autosampler Clear Lab Vials are made of clear Type 1, Class A Borosilicate Glass with a writable label for sample identification, meeting the international standards for hydrolytic extraction, ASTM E-438 Type 1 class A borosilicate glass, compliant with the requirements of U.S. and European Pharmacopeia