The 8D Filter Sponge is designed to provide superior mechanical and biological filtration for your aquarium. Its high-density structure effectively traps debris and waste while allowing beneficial bacteria to thrive, helping maintain crystal-clear and healthy water. The sponge is easy to cut and fit into any type of internal, external, or DIY filtration system. Made from durable, non-toxic material, it ensures long-lasting performance and safe use in both freshwater and marine aquariums.

Size: 13cm × 40cm