The High Purity S System features at it heart a Bestdemin XL, a hygienic technologically advanced cartridge system that produces demineralized water in smaller volumes making it idea for smaller dental practices and particularly suitable for table autoclaves where water consumption is low. The High Purity S System is a perfect alternative to demineralized water in bottles, delivering high quality demineralized water <0.5 μS / cm. This high quality and low conductivity water straight from the systems own tap protects; autoclaves, other equipment and instruments with water without the need to buy or store purified water in bottles. The compact system offers very low operating costs, requires minimal servicing and will deliver up to 240litres of demineralized water before the cartridge needs to be changed . And when it does, the unique BWT filter head, automatically shuts off the water to make replacement, easy, simple and hygienic.