certified headspace gas chromatography pp caps Fisherbrand 2021 - 10 - 25 Headspace Gas Chromatography | PerkinElmer 202 - 07 - 06 Kit includes: Elite-30 30 M x 0.53 mm x 3.0µm column, Zero Dilution Glass Outer Liner, Zero Dilution Glass Inner Liner, Polyimide uncoated deactivated tubing, 5 M x 0.8 mm, 22 mL headspace vials, 9 mm assembled cap and septa PTFE/silicone and 20