Set of 6 automatic filters for cat fountains, with resin and activated carbon, replacement water filter for cats & dogs (round)

Wide Compatibility: This cat water fountain filter is suitable for all water fountains. Dual-Action Filter: With its dual-action water softener filter made of Ion Exchange resin and activated carbon, it can effectively filter out dirt. Design: Unique design that eliminates impurities and provides only fresh water for your cat. Easy to Use: Rinse the filter with water before use and rinse it every 2 to 4 weeks to keep the water fresh. Healthy Drinking Water: Reverse osmosis filter for water dispensers, a layer to block impurities in the water, remove heavy metals, reduce water quality, make the water softer, and effectively prevent urinary tract infections in animals.