TIGREZY - High quality products and satisfactory customer service a reasonable price 【Wide Compatibility】This cat water fountain filter is suitable for water fountains. Dual-action filter: With the dual-action water softener filter for lon Exchange resin and activated carbon, it can effectively filter dirt. Design: Unique design that removes impurities and provides only fresh water for your cat. Easy to use: Rinse the filter with water before use, and rinse it every 2-4 weeks to keep the water fresh. Drinking water is healthy: Reverse osmosis of the water dispenser filter, layer to block impurities in the water, remove heavy metal elements, reduce water quality, make the water softer and effectively prevent the urinary system of animals. Sold by pugad Shop