Maintain crystal clear water in your pond with the OASE FiltoClear 3000 Replacement Foam Filter Set (Model 40970), specifically designed for the 2nd Generation Pond Filter (40346). This genuine OEM replacement ensures optimal filtration performance, extending the life of your pond filtration system while preserving water clarity and quality. The premium foam material is engineered to trap debris, organic matter, and harmful contaminants that can affect the health of your aquatic ecosystem. This replacement filter set features the exact specifications of the original components, guaranteeing a perfect fit and seamless integration with your existing OASE FiltoClear 3000 system. The durable foam construction offers excellent mechanical and biological filtration, creating the ideal environment for beneficial bacteria to thrive and break down harmful substances. Regular replacement of your filter foam helps maintain proper water flow and prevents clogging, ensuring your pond filter operates at peak efficiency throughout the seasons. Easy to install and maintain, this replacement set helps extend the life of your pond filter while reducing maintenance frequency. By choosing genuine OASE replacement parts, you're investing in German-engineered quality that pond enthusiasts worldwide have trusted for decades. Keep your pond ecosystem balanced and your water feature looking pristine with this essential maintenance component for your OASE FiltoClear 3000 filtration system.