High quality Aijiren glass vial for HPLC/GC analysis, amber glass make it compatible for sun-proof samples. 0.3 ml clear glass micro insert fixed in 2ml 9-425 amber glass vial, the measurement of the insert vial is 6*29mm. Conical base insert vial can saving samples while during injection. Vials compatible with all type of 9-425 caps. 9mm wide opening screw top for better needle injection.
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