RFC1200A Replacement LG; Kenmore & More Instructions Press Button To Open Filter Cover;Pull The Old Filter Cartridge Downward Remove And Discard Hold The Filter Cartridge Horizontally;And Push Into The Manifold Until It Stops Push Filter Up Firmly Until You Cannot Push;Up Further Push Filter Cover Until It Clicks Into Place Run Approximately 2.5 Gallons of;Water Through The Filter And Discard Before Use The Activated Carbon Block Filter Inside