12PCS Cats Water Fountain Filter Pets Fountain Replaced Filter Drinking Fountain Automatic Water Dispenser Feeder For Cats Dogs|Cat Feeding & Watering Supplies Features: ?HighQuality?-- water softening filter is made of Active Carbon+Premium Cotton Mesh, High iodine value coconut shell activated carbon. ?Multiple Filtration? -- pet water fountain filters Deodorization, dechlorination, bacteria removal, filtering heavy metals, impurities, debris. ?Easy to Use? -- Easy to install, disassemble and replace, it is recommended to change two weeks to make sure the water is clean. ?Widely Application? -- Pet Fountain Replacement Filters suitable for Dog, cat, bird Drinking fountain.Note: please rinse thoroughly with water before use. ?Keep Pet Healthy?-- consist of cation exchange resin and activated carbon.Double effect purification can filter fur and residue, absorb odors and soften water. Specifications: Material: premium resin and activated carbon Color : White Filtration Area: 150 cm3 Temperature: 4C to 38C One Pice Size: Round Size: 12.8*12.8*0.8 cm / 5*5*0.31 inch Round Inner Diameter: 3.8 cm / 1.5 inch Package List: 12*Cat water fountain fliter(round ) Note: 1.We recommend cleaning the filter before using it for the first time and replacing it every 2 to 3 weeks to maintain the freshness of the water. 2.Please rinse the filter thoroughly with water before use.