The DA97-21324A assembly case water filter is a genuine Samsung part, designed for Samsung's 28 cu. ft. and 8 cu. ft. large capacity 3-door refrigerators. If your water filtration system is not delivering fresh and clean drinking water, it might be time to replace the assembly case water filter. Crafted to provide a reliable fit, ensuring consistent filtration performance. Before purchasing, verify your device's model number for compatibility.