Product Details About the Product Kenmore Replacement Refrigerator Filter Model # 9081, 469081, 9930 or 469930. The Kenmore 9081 filter is NSF certified to reduce lead, asbestos, chlorine taste, odor and sediment. You should replace your refrigerator water filter every six months. It's the best way to ensure you continue to have great tasting water and ice in your home! If your refrigerator uses the Kenmore 46 9930 filter and other filters (see compatible list). Municipal Water Supply The water that comes into your home. Whether it comes from a well or a municipal source. The water can carry chemicals and impurities that can cause problems for your appliances. Mineral deposits such as lead and lime can build up inside your appliances. Chemicals such as chlorine and mercury can affect the taste, odor, and safety of your water. Dirt, turbidity, and rust can darken your water and ice and leave a film on your recipes. A quality refrigerator filter that uses activated carbon to capture