Features: Design for pet water fountains, the replacement filters ensure seamlessly accessory and easy installation for pet owners. Features a nonwoven fabric structure with active carbon layer to effectively trap debris, neutralize odors, and inhibit bacterials growth in drinking water. Great for pet owners searching food grade replacement filter to maintain clean hydrations station for pet in busy households. Perfect for daily use in automatic pet water dispensers, keep water clean and freely from contaminants between monthly filter replacements. Each friendly filter cartridges undergoes rigorous quality testing to deliver better performances and longlasting protections for your pet healthy. Specifications: Product Dimension: As pictures shown Component: Nonwoven Fabric, active carbon 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.