The LG MJM61904702 Refrigerator Water Tank is a replacement water reservoir designed for select refrigerator models. It works by holding a supply of water within the refrigerator compartment, allowing water to be cooled before being delivered to the dispenser when needed. Designed for proper fit and compatibility, this water tank replaces a damaged, worn, or leaking original component... https://www.hnkparts.com/mjm61904702-lge-tank-water