This double glass water still produces ultrapure, pure distilled water and pyrogen-free distillates automatically. With its fully automated operation and safety protection, this unit offers best value for money. It is very easy to use, maintenance-free and safe to operate with indicators such as distilling indicator, and with safety cut-off features such as overheat protection, water level and low water pressure. Ideal for HPLC, ICP, AA spectroscopy, tissue & cell culture, BOD measurement, biotech, semiconductor manufacturing.