Aqueon EcoRenew Replacement Filter Cartridges Medium, 6-pk

Maintain a healthy and thriving aquatic environment with the Aqueon EcoRenew Replacement Filter Cartridges. These dual-sided cartridges feature fibers made from plant-based materials infused with carbon to help reduce impurities and odors. The NoDrip design helps eliminate extra mess when changing your filter. Aqueon EcoRenew Cartridges offer an alternative to traditional plastic filter cartridges and will break down naturally over time. Replace every 4 weeks for optimal performance. Available in extra small, small, medium and large sizes, these cartridges are perfect for both freshwater and saltwater aquariums.