standard opening certified hplc autosampler vials Chrominex- 8mm vial for hplc with pp cap Chrominex-Aijiren Vials for HPLC1-4mL Autosampler Vials for HPLC, UPLC, GC 16mm, 25mm Test Tubes for Water Analysis 6-20mL GC Headspace Vials 8-60mL 1-4mL Autosampler Vials for HPLC, UPLC, GC 16mm, 25mm Test