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, gc ms vials price, Waters, Thermo Scientific, Varian etc. Vials with Screw Necks as well as Crimp neck vials are offered to various specifiions- clear, aer & graduated.