MAXTITE Type II Deionized Water is a water that has been purified to remove trace contaminants and ions. It is filtered by reverse osmosis, UV sterilization, and quad-cartridge filtration. It has a resistivity of 1-15 MΩ/cm and can be used for a variety of applications such as electronics manufacturing, hydroponics, medical and laboratory processes, spot-free rinse, industrial processes, and as a component whenever an ultra-pure water is necessary.