Fontaines Set of 6 Automatic Cat Fountain Filters, with Resin and Activated Carbon, Replacement Water Filter for Cats & Dogs (Square)

Wide Compatibility: This cat water fountain filter is suitable for drinking fountains.Dual Action Filter: With the dual action water softener filter for lon Exchange resin and activated carbon, it can filter dirt effectively.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 replace it every 2-4 weeks to keep water fresh.Drinking water is healthier: pet water dispenser filter reverse osmosis, layer by layer to block impurities in the water, remove heavy metal elements, alleviate water quality, make water softer, and effectively prevent pet urinary system diseases. Sold by the Bianco FR store