12Pcs Pet Fountain Filter for Cat Drinking Water Fountain

[compatibility] this cat fountain filter is compatible with catit pixi fountains. perfect fit and performance. let your pet always have the best drinking experience [ triple filtration ] the filter uses activated carbon, ion exchange resin and non-woven fabric to effectively eliminate odors, remove heavy metals, and soften water quality, resulting in an excellent drinking experience. [routine replacement] to maintain filtration effectiveness, it is recommended to replace the filter every 2-4 weeks. if you have multiple pets, consider shortening the replacement interval. Please submerge the filter in water for 2 minutes and rinse thoroughly before use to achieve optimal filtration results, ensuring your pet enjoys clean and fresh water.