The Crysta 500 produces both deionized and reverse osmosis Type 2 pure lab water directly from tap water. Using a stepwise filtration system that allows for exceptional purifying efficiency, it produces Type 2 water at a desalination rate of =99% and a virus elimination rate of =99.5%. The Crysta 500 delivers this water at the touch of a one-button dispense option and is ideal for general scientific applications in media preparation and high purity glassware rinsing.