1.5ml hplc crimp top type 1 borosilicate glass crimp vial. 1. Manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B, borosilicate glass 2. Vials offer a standard graduated write-on patch for easy filling and identification 3. Wide opening vial is easier to fill and provided a larger largest area for the autosampler needle 4.