AnaDiGi Ultra Q® Type 1 Water Purification System. HPLC grade Lab water purification systems in India. Buy now at the best price! The filtration system includes passage of water or other solvents through a semi-permeable membrane. The process filters out all sorts of contaminants such as ions, pesticides, micro-organisms and other chemicals from water. This filtration process is one among the most effective methods of water purification. Our offered products are manufactured in compliance with the pre-defined industry norms and tested to ensure their flawlessness.