2ML ND8 glass autosampler vials for HPLC or GC tests. Ref.No. Description. C0000001. 2mL Clear Glass 12x32mm Flat Base 8-425 Screw Thread Vial. 100pcs/pk. C0000002. 2mL Clear Glass 12x32mm Flat Base 8-425 Screw Thread Vial with Label. 100pcs/pk. C0000003.