First-class Type 2 water: The arium^® advance EDI Type 2 water system features the highest ion retention at rates of up to 5 l/h. Directly connected to your potable feed water source, this system consistently delivers pure water of the highest quality with a resistivity of 5 to 15 MΩ·cm. Its proprietary, patented electrodeionization technology (EDI), combined with its intelligent iJust software, optimizes your water usage and ensures time- and labor-saving operation.