HPLC/GC Autosampler Vials, Caps & Accessories You can count on JSi Scientific to provide you with the best in HPLC/GC Autosampler Vials, Caps, & Accessories. Our products are compatible with all major brands including: Aijiren®, Waters®, Shimadzu®, Varian®, Hitachi®, Perkin Elmer® and