A pre-filter a 5 micron removes silt, sediment, sand, and sludge
An activated carbon pre-filter a 1 micron traps contaminants such as chromium, chlorine, chloramine and pesticides
A Ceramic Carbon Filter 0.5 micron that has been blended with an oxidation media, which traps particles of heavy metals such as lead and copper
RO membrane, allowing only clean water to pass through the small pores. Impurities are trapped and flushed down the drain. Treated water is then sent to a storage tank
Activated carbon post-filter is used to polish the RO water just prior to the faucet