Vials For Hplc found in: Tray for 100x2ml Vials Thermostattable, Vials Autosampler HPLC 2.0mL, 12x32mm, 11mm Crimp, Certified Vial Kits, Clear Vials,.. allows for the use of the patented Poly Crimp Seals or standard aluminum seals. This vial is designed to work auto samples incorporating a robotic arm as well as other auto samplers.