Features: Ensuring your pet hydrations with the Cats Fountain Filters, featured advanced stage filtrate systems that better standard Activate Carbon filters. These pet fountain filters with combination Activate carbon to effectively trap debris, eliminate impurities and odors, and maintain the freshness of your cats drinking water. Suitable for pet owners who caring pet friend health, the replacement filters great to prevent urinary diseases by softening tap water. Great for use in battery operated Cats fountains, these filters are suited for home use, pet shops, and veterinary clinics, ensuring freshing water is available. The Cats Fountain Filter which easily replace and suitable main brand series pet water fountain. Specifications: Product Dimension: As pictures shown Component: Nonwoven Fabric Type: 01/02 Package Includes: Type 01: 6pcs Pet Fountain Filters with Foam Type 02: 12pcs Pet Fountain Filters with Foam note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item.