Autosampler Vials for HPLC, GC La-Pha-Pack makes a vast array of autosampler vials to suit every model of HPLC/GC available in the modern analytical laboratory- Shimadzu, Aijiren, Waters, Thermo Scientific, Varian etc. Vials with Screw Necks as well as Crimp neck vials are offered to various specifications- clear, amber & graduated.