Fountains Set of 6 automatic cat fountain filters with replacement resin and activated carbon water filter for cats and dogs (square)

WIDE COMPATIBILITY: This cat fountain filter is suitable for all water fountains. Dual-action filter: With its dual-action water softener filter, replacing the resin and activated carbon, it effectively filters out dirt. Design: Unique design eliminates impurities and provides your cat with only fresh water. Easy to use: Rinse the filter with water before use and replace it every 2 to 4 weeks to keep the water fresh. Healthier drinking water: This pet water dispenser with a reverse osmosis filter works layer by layer to block impurities in the water, remove heavy metals, moderate water quality, make the water softer, and effectively prevent urinary tract diseases in pets.