... RO reverse osmosis water purifier water filterWATER FITLER CARTRIDGES1. (Stage 1) 5 Micron Sediment water Filter :With only five ... It provides enhanced reduction of taste, odor, and color.3. (Stage 3) 1 Micron Sediment water Filter :With only 1 micron rating ... , mercury, sodium, cadmium, fluoride, nitrite, nitrate, and selenium.5. (Stage 5) Post Carbon water filter:This carbon post filter removes ...