Elgacan Stat deioniser, with 4 cartridges. The B114 wall mounted deionisation system can produce up to 30L/hr of high purity water for a wide range of laboratory applications. The deioniser is a cost-effective stand-alone system that provides low to medium volumes of primary or deionised grade water. Water quality is easy to monitor, with a colour coded resistivity indicator displaying treated water quality. Supplied with 4 cartridges. Please note: the volume of deionised water produced from each cartridge can vary greatly, from approx. 20 to 250L, depending on the hardness and amount of dissolved minerals/ ions of the input water supply.