EXCELLENT - 10ml headspace autosampler vials screw thread for GC gas liquid chromatography vials 10ml headspace autosampler vials for autosampler -screw thread top septa vials 100sets 10ml glass lab Head Space vials set for Autosampler (Aijiren CTC Combi PAL) (HS/SPME Mode) (Gerstel MPS 2/Varian) Shimadzu AOC-5000 (TurboMatrix HS16).