Culligan Under Sink Filter is a reliable water filtration cartridge designed specifically for ice makers and refrigerators. This basic filter effectively reduces chlorine, unpleasant taste, odors, and sediment, ensuring cleaner and better-tasting water. It a filter life of up to 12 months or 1,000 gallons, making it a convenient and cost-effective solution for maintaining water quality in your home. Model Number: D-30A-D