All headspace vials listed below are made of the highest quality, borosilicate glass for Headspace analysis. Choose from our original, MicroSolv Brand or the economical BASIK™ Brand. Aijiren, CTC, Leap, Perkin Elmer, Shimadzu & Varian Compatible. Choose from a full line of offerings including Amber or Clear, Round Bottom or Flat Bottom, Write On Patch, SPME, Screw Top or Crimp Top.