Doulton, a company more commonly recognised for their fine china has been a leading name in drinking water filtration for over 150 years. The Ultracarb is a ceramic cartridge for use as a pre-filter for the removal of parasites and bacteria, which also internally has a specially formulated carbon block and ion exchange filter, which enables it to remove an extensive range of chemicals and heavy metals from the water. When the water flow slows you simply remove the cartridge, scrub off the discoloured outer layer and re-install. The core of this filter has an 1800 litre life which generally equates to an annual change.
The incorporation of silver locked within the ceramic structure inhibits the growth of bacteria.
Doulton holds accreditation from the World Health Organisation, National Sanitation Foundation, EPA and a long list of other health departments in numerous countries throughout the world.