What 2-mL GC vial is available with a 500-µL fixed insert? - WKB119502 Last updated Save as PDF Share Share Tweet Share Article number: 119502 ENVIRONMENT Gas chromatography vials ANSWER 186000234 - Snap cap Total Recovery vial ADDITIONAL INFORMATION If more than one injection is made in a GC application, a PTFE-only septa is required. The parts that apply to this instance are 186000328 Snap cap and 186000302 Total Recovery vial. id119502,