A 1500g box of mixed filter material designed for water purification systems. The product contains various colored bio-balls and filter media for effective aquarium or pond filtration. Key features: • 1500g total weight • Mixed filter media types • Multiple colors including black, white, and brown • Suitable for water purification • Comes in a convenient storage box • Porous surface design for optimal filtration • Bio-balls for biological filtration This filter material helps maintain water quality through mechanical and biological filtration. The varied shapes and materials provide different levels of filtration and surface area for beneficial bacteria colonization. The clear storage box allows easy viewing of remaining material and features orange clip handles for convenient carrying and storage.