The group's principal activity is to develop, manufacture and sell small-throughput water treatment systems and associated consumable products that provide reliable supplies of safe drinking water. The group's products give end-users a cost-effective means of filtering, treating, disinfecting and conserving water without the use of chlorine and other chemicals. The products of the company are used for residential, industrial, municipal and agricultural purposes. The group also provides technical consulting services to its customers, and sells the components and consumables that are required for the operation and maintenance of water treatment systems.