The UIC KDL5 Vacuum Pipe is the OEM glass or stainless steel vacuum interconnect pipe for the UIC KDL5 molecular distillation system, connecting the evaporator vacuum port to the cold trap and vacuum pump train. Maintaining vacuum integrity in this line is critical for achieving the deep vacuum required for molecular distillation. An OEM UIC replacement component for KDL5 systems; inspect for cracks, corrosion, or joint deterioration during preventative maintenance.