The Aquaspace H2OME Guardian Water Filter, available through Western Water International, Inc., reduces lead in water supplies. The filter is mounted on the faucet and the filter cartridge is placed in the dead space" between sink and wall. This filter is one of several new filtration devices using the Aquaspace compound filter media which combines company developed and NASA technology. Aquaspace filters are used in industrial commercial residential and recreational environments as well as by developing nations where water is highly contaminated."
Full article: http://hdl.handle.net/hdl:2060/20020080938