The Bioscape Filter Pad is a high-quality filtration material designed for mechanical and biological filtration in both freshwater and marine aquariums. Measuring 25 x 45 cm, it can be easily cut to fit any filter system or sump. The dense yet porous structure efficiently traps debris and particulate matter while promoting beneficial bacterial growth. Durable and reusable, it helps maintain clean, clear water and supports a stable, healthy aquatic ecosystem.