Features: Ensure your Cats stay hydrating with Cats Water Fountain Filters, the perfect addition to pet water fountain. The filters effectively filter impurities and odors, providing clean drinkingwater for your furryfriend. Great and convenience, the filters fit for various Cats water fountain model, easy maintain your Cats routine. Upgraded your Cats drinkingexperience with the sponge filters that deliver filtration for healthy watersource. Enhancing your Cats by prioritizing their need with Cats Water Fountain Filters great solution for any Cats owner. Specifications: Product Dimension: Appr. 16.50cm/6.49inch Texture: Sponge, Activatedcarbon Style Option: 01(4PCS)/02(8PCS) Package Includes: Style 01: 4pcs Cats Fountain Filters Style 02: 8pcs Cats Fountain Filters note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actualcolor of the item.