Philips Reverse Osmosis membranes with Aquaporin Inside™ offer our best possible filtration performance and fastest filtration speeds. Philips Reverse Osmosis membranes with Aquaporin Inside™ can remove up to 110 harmful substances such as chlorine, bacteria, viruses, pesticides, fluoride, lead, VOC’s, PFOA, PFOS, microplastics and more that might exist in your tap water.