Keep your furry friend's water supply fresh and clean with the PawsPik CeramicDog & Cat Water Fountain Replacement Filters. Designed to work with all PawsPik Ceramic Water Fountains (sold separately), these filters provide five layers of advanced filtration to remove heavy metals, dirt, and other impurities, improving water quality and taste. Regularly replacing the filters helps maintain water cleanliness, minimizes impurities, and supports your furbaby's overall well-being. With each filter lasting up to four weeks, your pet will always have access to fresh, great-tasting water for optimal hydration.