Our Cat Water Fountain Filters Feature A Three-Layer Filtration System To Improve Water Quality For Your Pets. The Cotton Layer Removes Hair And Particles, While The Activated Carbon Eliminates Odors And Improves Taste. The Ion Exchange Resin Removes Heavy Metals For Safe And Healthy Water Consumption.

To Maximize Performance, Soak The Filter In Water For 2 Minutes And Rinse Thoroughly Before Use. Replace The Filter Every 2-4 Weeks For Best Results. Each Filter Is Individually Packaged For Quality Assurance. With Our 12-Pack Of Filters, You'll Have A Year's Supply. Enjoy Our Worry-Free 12-Month Warranty And Friendly Customer Service.