- Regular Replacement: For optimal filter performance, we recommend changing filters and sponges every 2-4 weeks. If you have multiple pets, consider replacing them more frequently to maintain effectiveness. - Advanced Filtration System: Our filters feature a friendly PP shell that captures hair and large particles. The high-density cotton effectively filters hair and residue, keeping your pet's environment clean. Activated carbon eliminates chlorine and odors, while ion exchange resin filters out heavy metals, enhancing water taste and encouraging pets to drink more, which can help reduce the risk of urinary tract infections. - Pre-Filter Pump Sponges: The high-density pet pump filter traps hair and dirt, preventing debris from entering the pump. This not only protects the pump but also extends its lifespan, ensuring reliable performance. - Compatibility: Designed for seamless integration with bis Cat products, our replacement filters utilize a quadruple filter system for comprehensive water purification. Use Scenarios: - Ideal for households with multiple pets, ensuring clean and fresh water for all. - Perfect for pet owners looking to prevent health issues related to water quality, such as urinary tract infections. - Beneficial for maintaining a clean and odor-free environment, enhancing your pet's comfort and well-being. Choose bis Cat filters for a healthier, cleaner drinking experience for your pets.