Engineered for filtration, this sponge filter pad is ideal for polishing water in aquariums and ponds. Its sponge material supports biological filtration. Whether used as a replacement or an upgrade, it meets the needs of hobbyists aiming for clear water and a thriving aquatic environment. Features -Color:Yellow -Material:Sponge -Size:7.00X6.50X6.50cm/2.75X2.55X2.55in -Clear water: ensures a clean and transparent water environment by capturing fine particles and debris effectively -Compact internal design: saves valuable tank space while maintaining powerful filtration capabilities for diverse aquarium setups -Convenient replacement: features an easytoreplace sponge system, simplifying maintenance and ensuring consistent performance -Suitable for indoor use: designed for use in homes, offices, or other indoor spaces, enhancing the overall ambiance of your aquarium -Sponge material: crafted from sponge materials to provide and efficient water filtration Package list: 10 tank filter elements