The Zeus Triple Action Filters are not designed to cure any disease or illness. However, they do help soften minerals like magnesium and calcium present in tap water to help prevent urinary tract diseases, as well as absorb water impurities and filter out debris. Replacement filters for Zeus Cascade Fountain (122842). Key Features : -Helps soften tap water to help prevent urinary tract diseases -Helps absorb odor and other water impurities -Filters out hair, food, sediment and other debris -Includes 2 filters