It is 4 stage filtration System.
A ceramic filter dome
Activated Carbon with Silver Carbon Granules - Reduces Chlorine, Organic Chemicals & unpleasant odors and colors
Zeolite infrared bio ceramic ball
Reduces heavy metals such as lead, etc
Silica Sand - Reduces acidic components of water
Maintain Water pH balance
Mineral Sand - It helps keep water fresh and clean.
Mineral stone