This filter sponge, the ideal solution for aquarium filtration needs. With excellent scrubbing resistance, it reduces the need for frequent filter replacements. Designed to minimize water changes, this sponge saves time and effort.Featuring high water permeability, it supports multi-layer use without restricting water flow. Its efficient filtration and anti-overflow properties help maintain clean and clear water for fish.The sponge features an 8-layer design with a three-dimensional honeycomb mesh that diverts water and captures debris. The multi-layer system can be easily cut to fit, offering flexibility for various aquarium setups.Reusable and designed for biological filtration, it helps absorb impurities and odors, improving water quality. This long-lasting sponge offers cost savings and supports a healthy environment for aquatic life.Upgrade your aquarium filtration system with this efficient, durable, and adaptable filter sponge to provide a clean and healthy habitat for your fish.Item Name: Filter Sponge Material: Cotton Features: 8 Layers, Easy Maintenance, Excellent, Strong Size Details: S: 50cm/19.69", W: 11cm/4.33", H: 2cm/0.79" (Approx.) M: 40cm/15.75", W: 30cm/11.81", H: 2cm/0.79" (Approx.) L: 50cm/19.69", W: 40cm/15.75", H: 2cm/0.79" (Approx.) XL: 120cm/47.24", W: 30cm/11.81", H: 2cm/0.79" (Approx.) Package Includes: 1 x Filter Sponge