The RO units come assembled either for line pressure use or pumped pressure use. The Waterboy reverse osmosis systems remove over 99% of sediment, chlorine, heavy metals, pollutants, bacteria, organics and a host of other contaminants to produce exceptionally high quality great tasting pure water. The Waterboy reverse osmosis systems are designed for domestic, marine, and semi-industrial trade. These systems operate on municipal water lines as well as treated borehole supplies.