... 4)Food grade ABS material 5) strong housing 75G reverse osmosis water filter Model No.: RO303A-75GPurified Water Capacity : 75 G/ ... sand,dirt, worn and rust particles6 monthsGAC-Granular Activated Carbon FilterTo Adsorb the Chlorine ,VOC Organic Matter,Odor,Smell ... mineral substance and dissolved matter and chemical12 monthsT33-Post Carbon FilterTo absorb the odor,and adjust the taste6 monthsThe ...