Delivers Pristine, Refreshing Water: Our multi-stage filtration system, encased in high-density fabric, incorporates silver and coconut shell activated carbon, alongside a unique composite scale inhibitor. This combination ensures that your pets always enjoy clean, fresh, and great-tasting water. Custom-Made for FWMB Stainless Steel Fountains: Authentic FWMB filters are precision-engineered to seamlessly fit into your 108oz fountain. Each filter is individually sealed to maintain its integrity, making FWMB the only right choice for all your filtration needs. Unmatched Filtration Performance: Our refined coconut shell activated carbon features an advanced pore structure that surpasses standard activated carbon. It rapidly absorbs impurities, has a longer lifespan, and excels at purifying water by removing contaminants. Economical and Long-Lasting: Ensure your pets stay healthy and hydrated without draining your wallet. FWMB 's genuine pet fountain filters offer exceptional durability and value, requiring only a modest monthly investment due to their enduring design. Convenient Multi-Pack Bundle: Our filter replacement pack includes both filters and pre-filter sponges, simplifying maintenance. When it's time for your regular fountain cleaning, easily swap out both filters to maintain consistently fresh water for your pets.