Thermo Fisher 20ml headspace vials for gas chromatography Headspace Vials | VWR Description: Thermo Scientific National Headspace Vials meet or exceed OEM specifications ,69400-8PK,66064-350CS,66064-350PK,66065-340CS,66065-344CS,66065-348CS,66065-328CS,69400-6PK WHEATON® Headspace Crimp Top Vials, DWK Life Sciences Thermo Scientific™ 8mm Headspace