Tube gas sampling 350, nozzle (GL14), septum Back Catalog number: OST-201-3421 Availability: In the manufacturer's stock Price on request - + Recommended C-HSPVLP-20 HiSorb septum plug, pk 20 Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request U-COV108-H O-ring, Injector Liner, Black, High Temp, pk/1 Price on request