1) absorb chlorine, remove odor 2) remove smell, turbidity 3) good fruit shell material 4) 10" ... Not coal carbon filter!!! Filter typePictureMain FunctionSuggest Using TimePP filterTo remove sand,dirt, worn and rust particles6 monthsGAC-Granular Activated Carbon ... monthsCTO-Block Activated Carbon To Absorb the chlorine, organic,odor,smell turbidity and suspending particles6 monthsRO membrane With 0. ...