product center. 1-4mL Autosampler Vials for HPLC, UPLC, GC 16mm, 25mm Test Tubes for Water Analysis 6-20mL GC Headspace Vials 8-60mL EPA Storage Vials HPLC Syringe Filters. 1.5mL 11mm Snap Ring Autosampler Vial ND11. Material: USP Type 1, Class A, 33 Borosilicate Glass. Volume: 2ml (standard volume) 1.5ml (actual volume)