?Replace?Rinse the filter with running water every time you change the water of the fountain and according to your pet's drinking frequency and the number of pets using the fountain, change the filter every 2-4 weeks. ?Recommendations?To prevent the activated carbon dust (which will not harm your pets) from shedding into water, please soak the filter in water for 2 minutes and rinse it thoroughly under running water before use. ?Keep Your Pet Healthy?The filter uses plastic as the bottom shell, composed of cotton layer, activated carbon and ion exchange resin. They can filter hair, heavy metals, and improve the taste of the water so that Let your pet drink clean and healthy water. ?Premium 4 Pack?4-pack of premium pet fountain replacement filters, individually packaged and sealed to maintain high quality. ?Perfect Match?Compatible with OYESauto Stainless Steel Round Cat Water Fountain.

Best Sellers Rank: See Top 100 in Pet Supplies. Target Species: Cat. Brand: OYESauto. Material: Plastic. Color: White. Country of Origin: China. : B08V8GNQLQ. Manufacturer: OYESauto. Date First Available: February 1, 2021. Item model number: 4 Pack. Package Dimensions: 4.17 x 4.17 x 2.95 inches; 3.84 Ounces.