Package: The package contains 12 Pack Replacement Filters & 12 Pack Pre-Filter Sponges. This pet fountain filter replacement set is used for stainless steel 3.2L/108oz Pet Cat Water Fountain. Clean Water: Our multi-stage filtration system, featuring activated carbon encased in high-density fabric, provides pets with clean, fresh, and great-tasting water. Superior Filtration: Our refined activated carbon boasts an advanced pore structure, absorbing impurities rapidly and excelling at filtering contaminants from water. Cost-Effective: Keep your pets thriving and hydrated affordably. Our pet fountain filters offer exceptional longevity and value for a minimal monthly investment, thanks to their enduring design. Convenient Bundle: Our filter replacement pack includes both filters and pre-filter sponges, simplifying maintenance. Easily swap out both filters during regular fountain cleaning to ensure consistently fresh water for your pets. 12 Pack Replacement Filters & 12 Pack Pre-Filter Sponges Set for 3.2L/108oz Pet Cat Water Fountain, Pet Fountain Filter Replacement