The same great consumables as the headspace starter kit (n6710195) without the 'static headspace gas chromatography theory and practice" book, and with fewer tials —200 total (100 each crimp and screw top vials). Headspace mini starter kit: Contents: 20 ml headspace crimp vials 20 mm ptfe/butyl septa/cap/springs 20 mm ptfe/silicone septa/cap/springs 20 mm aluminum silicone septa/cap/springs 0-rings 10 1 b0198110 needle seal assemblies Pressure gauge with needle for vials 20 mm hand crimper 20 ml headspace screw top vials 18 mm ptfe/butyl assembled cap and septa Kindly see the more descreption , so please see the attacment file.