Under-sink Reverse Osmosis Water Filtration System 5-stage with Designed Faucet - Carbon Block Taste & Odor Filtration - 50 GPD Membrane- Safety Water Pressure Gauge- Quick and Easy Self Installation Instructions Reverse Osmosis System 5 stage, Reverse Osmosis System Have a freshest Water at Your sink flowing directly For You! 5 stage reverse osmosis, water filtration system Innovative one-piece design Reduces: Arsenic, cysts (cryptosporidium, giardia, entamoeba and/or toxoplasm), barium hexavalent chromium,trivalent chromium,copper,lead,fluoride,cadmium,radium 226/228,selenium, TDS