Features: Engineered with foam, the filter canister foam delivers superior mechanical filtrations to trap impurities and debris, ensuring clear water quality for a thriving ecosystem. Specially designed for seamless compatibility with filtrations systems, this sponge filter insert features a precisions cut structure for secure, leakproof installation and maintenance. Perfect for aquarium enthusiasts and professional fishkeepers seeking filter, this foam cartridge simplifies routine tanks upkeep while safeguarding delicate life. Optimized for freshwater and marine aquarium environments, it efficiently processes waterborne contaminants during regular filter canister operations to maintain balanced habitats. Crafted from materials resistant to compression fatigue, this long lasting filter media maintains optimal flows rates while promoting sustainable aquarium care practices. Specifications: Component: Sponge Size: Approx. 5.98x1.30inch(15.2x3.3cm) Package Includes: 1 Set Sewage Suction Machine Filter Cotton note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.