Rated to .52 MicronsMeets NSF standard 42 for improving taste and quality of water.Rated to last for 6 months depending on the water quality Product DescriptionThe KenmoreClear! Kenmore-46-9690 is compatible with part numbers 9690, 469690, 46-9690 4609690000, 46-9690, and ADQ36006102. It fits refrigerator model number 72053. This fitler is used to improve the taste and clarity of water used in your refrigerator. I has an activated granular carbon filter designed to improve taste and a cellulose filter rated to .52 microns for improvements in sediment reduction and filtering of impurities such as cysts and sediment.