CTC PAL Autosampler Parts, Options , Supplies. PAL System Vial 10CV, 10ml Clear Glass with Label, for PAL Wash Modules. 46x22.5mm, 1st Class Hydrolytic Glass, DIN-Crimp Neck, Pk of 100pcs Vial-10-ND18-CG-100 PAL System Vial 10CV, 10ml Clear Glass with Label, designed for the PAL Autosampler. 46x22.5mm, 1st Class Hydrolytic Glass, with flat finish for better sealing, fits ND18 Screw Caps, Pk