1.5ml/2ml Screw Neck ND8, small opening, 8-425 thread autosampler vial with matched PP Screw Seals ND8, PTFE/rubber septa & Micro-Insert • Port:Shang hai • Payment Terms:L/C,D/A,D/P,T/T Product Description 1.8-425 Standard autosampler vials(11.6*32mm) for GC and HPLC