Features: Ensure pet drinkingwater is clean and healthy with our cat Water Fountains Filters. Fit for pet fountains and square flower fountains. Our filters effectively remove impurities and provide a hygienicdrinking environment for pet. Suitable for petowners who use the Cat Water Fountains, these filters perfect for those whocare about their pet healthy. Use our Cat Water Fountains Filters in various occasion such as indoor, pet store, and farm to ensure pet access to clean and freshdrinking water. Convenient filter pack allow for easy replacement and continuous use of our Cat Water Fountains Filters, providing pet with source of filteredwater. Specifications: Product Dimension: As pictures shown Texture: ABS, Activatedcarbon Style Option: 01(3PCS)/02(6PCS)/03(9PCS) Package Includes: 1 Set Pet Fountains Filter with Sponge( the quantity you received depends on the style you select) 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.