300ul thread fusion type vials, clear, write-on spot, borosilicate. 300ul thread fusion type vials, clear, borosilicate. 300ul thread fusion type vials, amber, borosilicate. VL9B VL9C VL9A Model No. Size Description 9*11.6mm 9*11.6mm VL9D 9*11.6mm 300ul9*11