The Samsung DA82-02863A Refrigerator Water Filter Case secures and houses the internal water filter to support proper filtration performance. This replacement housing assembly is designed for compatible Samsung refrigerators and serves as the enclosure that holds the water filter cartridge in position within the fresh food compartment or designated filter area. It operates by channeling incoming water through the installed filter while maintaining a sealed connection to prevent leaks. Mounted inside the refrigerator and connected to the water line system, it works as part of the filtration circuit. By keeping the filter properly aligned and sealed, this component assists in consistent water flow and supports clean water dispensing and ice production.