5 Pieces PreFilter Sponge Replacement — Black Foam Rolls for Filter Covers Keep your aquarium filter working cleaner and your tank safer with these prefilter sponge replacements. Designed as black foam rolls for filter covers, this pack of five gives you spare, readytouse media to trap debris before it reaches the main filter chamber. Key benefits Protects delicate tank inhabitants: prevents small fish, shrimp and fry from being sucked into filter intakes. Reduces clogging and maintenance: captures hair, uneaten food and large particles so primary media lasts longer. Simple and versatile: foam roll form adapts to many filter cover shapes and positions. Product highlights Quantity: 5 pieces per pack. Type: Prefilter sponge replacement / filter media. Color: Black. Form: Foam rolls designed for use with filter covers. Material: Opencell foam for mechanical filtration and debris capture. Functionality: Acts as a firststage mechanical prefilter to protect equipment and aquarium life. Performance and compatibility Works as a protective layer over filter covers and intakes to minimize the risk of clogging and aspiration. Effective as a mechanical prefilter that reduces the load on your primary filter media. Neutral black color hides accumulated debris between cleanings. Typical use cases 1) Protecting small or juvenile aquatic species: Fit a foam strip to your filter cover to keep fry, shrimp and other small tank mates safe from intake suction. 2) Extending filter life and reducing maintenance: Use the prefilter to capture large particles, so cartridges and biological media need cleaning or replacement less often. 3) Interim or emergency replacement media: Keep spare rolls on hand to quickly restore prefiltration after cleaning or when replacing worn sponges. Hints for use Install the foam over the filter cover or intake where it will intercept debris before it reaches the main filter. Inspect and rinse the prefilter regularly to maintain flow; as needed. A practical, lowcost accessory for routine aquarium care, these 5 black foam rolls deliver straightforward protection and reliable prefiltration for filter covers without altering your existing setup.