USFilter, of Lowell, Mass., presents ELGA as its premium brand of laboratory water purification systems. ELGA’s new line of PURELAB Water Purification Systems is the broadest range available from a single company, providing a constant supply of purified water at the quality and flow rates desired. From glassware washing to molecular biology, every ELGA system has been carefully designed to give uncompromising water quality in a cost-effective, convenient and easy-to-use package.