Consists mainly of pure carbon; activated carbons are considered most powerful absorbents. This exceptional feature makes them ideal for utilizing in water treatment, where activated carbon filters are widely used inpurifying, removing odor, colour, pesticide and benzene. These activated carbon water filters also remove some metals, chlorine and radon from water. An Activated Carbon Filter contains carbon particles of various sizes ranging from 10 to 50 mesh. The is made from burning coconut shells in the presence of oxygen. This carbon is further activated by steam or chemical method, where steam carbon contains very fine pore sizes that are ideal for absorption of components from water. Raw water flows at the outside.