FEATURES: *100% Authentic Korea Water Filters. *Made in Korea, "U" type, 10 inches. * High quality NSF and halal certified. *Compatible to all conventional water filter system, water dispenser. Functions: Sediment Filter This filter is for use in reverse osmosis drinking water and ultra-filtration systems as pre or sediment filter. Pre-Carbon Filter Made of high purity activated charcoal with superior porous removes organic chemical substance including remaining chlorine contents in the water and the function of membrane as we as increasing lifespan. Silver Carbon Filter Inhibits the growth of bacteria within the filter media bed. The addition of silver in the GAC of this filter has brilliant performance of anti-bacteria. Post Carbon filter Made of high purity activated charcoal with superior porous removes organic chemical substance including remaining chlorine contents in the water and assist and maintains fresh water taste by removing unpleasant gas contents. FREE GIFT: 8 UNITS ELBOW CONNECTORS.