Osmosis-equipped Philips RO UTS under-sink water purifier (Model No.: AUT4030R400/10) for water treatment sophisticated filtration using reverse osmosis down to 0.0001 microns When to replace BPA-free filters, the filter life indicator lets you know. Your home's style can easily incorporate modern design. Filter Life: 12 months for a 3-in-1 filter; 36 months for a RO filter Reduction of chlorine: Yes Reduction of microplastics: Yes Lowering the hardness of the water: Yes Reduction of bacteria: Yes Reduction of pesticides: Yes VOC reduction: Indeed Yes, heavy metal reduction Yes, two filtration modes