【Wide Compatibility】This cat water fountain filter is compatible with Pet Safe Drinkwell 1/2 Gallon, 1 Gallon, 2 Gallon, Butterfly, Avalon, Pagoda, Seascape, Sedona, Seaside and Creekside Pet Fountains. 【Protective Pump】Each box contains 24 packs of Foam filte，which helps extend the life of your fountain pump. 【 High Efficiency Filtration】Effectively remove impurities, hair and sediment from the water to provide cleaner, fresh drinking water for pets. 【Easy to Replace】: Pet water dispenser filter cotton is simple and quick to replace, without complex tools, pet owners can easily carry out daily maintenance 【Replace The Filter Regularly】The Cat Water Fountain Filter has a long service life, reducing replacement frequency and long-term maintenance costs while maintaining continuous clean water quality. According to your pet's drinking frequency and the number of pets using the fountain,please replace the filter and the sponge every 2 to 3 weeks. Keep your pet water fountain running smoothly with our reliable replacement filters for cat fountain. These carbon filters and Foam filte is compatible with Pet Safe Drinkwell 1/2 Gallon, 1 Gallon, 2 Gallon, Butterfly, Avalon, Pagoda, Seascape, Sedona, Seaside and Creekside Pet Fountains, providing superior filtration to keep your pet's water fountain filter in top condition. Whether you have a dog or a cat, our filters are perfect for maintaining the purity of your pet water fountain.