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 using Ion Exchange resin and activated carbon, it can effectively filter out 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 to 4 weeks to keep the water fresh. Healthy drinking water: Reverse osmosis water dispenser filter layer blocks impurities in the water, removes heavy metals, reduces water quality, makes the water softer, and effectively prevents urinary tract issues in animals.