FilterLogic FL-RF11-S is a replacement water filter for Samsung refrigerators. It is NSF certified to reduce chlorine taste and odor, sediment, rust, and scale. The filter has a capacity of 300 gallons or 6 months of use. It is easy to install and replace, with no tools required. Simply remove the old filter and twist on the new one. The filter should be replaced every 6 months to ensure optimal performance.