Pack of 12 Filters for 4L Cat Water Fountain, Feriva Cordless Cat Water Fountain Filter, Multi-Filtration Pet Fountain Filter

General Description: This 12-pack of cat water fountain filters is specifically designed for the 4L wireless fountain. This multi-layer filtration system ensures clean, fresh water for your pet. Technical Specifications: Quantity: 12 filters; Filtration Type: Three-layer filtration system; Materials: High-density cotton, activated carbon, ion-exchange resin; Compatibility and Accessories: Compatible with the 4L wireless cat water fountain with motion sensor; Installation: Before replacing the filter, soak the filter element in water for 5 minutes. Rinse the filter element thoroughly to prevent the spread of carbon dust; Usage: Replace the filter and sponge every 2 to 4 weeks. More frequent replacement is recommended if multiple pets use the fountain.