Compatibility Guaranteed: Specifically designed for stainless steel pet water fountain, this 12-pack of replacement filters and 6 pump sponges ensures perfect fit and function. Advanced Triple Filtration: Keep your pet's water pristine with a three-layer filtration system. The first layer traps hair and debris, activated carbon in the second layer removes odors and chlorine, and the third layer uses ion-exchange resin to eliminate heavy metals and enhance water taste. Pump Protection Mechanism: Extend the lifespan of your pet fountain's pump with our high-density sponge filters designed to prevent hair and debris from causing damage. Regular replacement of these filters ensures continuous protection and optimal fountain performance. Regular Replacement for Optimal Freshness: To maintain the highest water quality for your pets, especially in multi-pet households, we recommend replacing the filters and sponges every two weeks. This frequent change prevents kidney diseases and keeps the water fresh and appealing. Usage Instructions: For best results, thoroughly rinse each filter under water before use to remove any charcoal dust. This simple step helps to maintain the cleanliness and freshness of your pet's drinking water, ensuring their health and hydration Colour:As Shown Material:Non-woven fabrics style:Large for 100oz/3L Package Contents: 12 * Cat Water Fountain Filters 6 * Sponges Foam Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.