Aquarium Filter Sponge 8-Layer Filter Media Pad, Cut-to-Size Foam Floss for Fish Tank Sump Pond (16" x 12" x 0.6")

8-layer filter pad: 2×3D honeycomb mesh, 2×Hydrophobic fiber cotton, 2×Carbon fiber, 1×Nano-bio sponge, 1×Biochemical sponge; The 3D honeycomb mesh captures large debris, hydrophobic fiber cotton filters fine particles, while carbon and bio layers remove microscopic impurities and odors, all works to provide high efficiency filtration Good Water Permeability: This filter pad has high water permeability, allowing fast flow while effectively trapping debris and impurities; It supports a stable nitrification system, ensuring crystal-clear water and a safe habitat for aquatic life Cut to Size: This filter pad can be cut to fit and ed as a pre-filter for any aquarium or pond filter, sump, wet/dry, canister, power filter etc. or your DIY project Reable: This filter pad can be reed multiple times after proper cleaning; It can last a long time; The dense structure of the filter media pad prevents tearing, making it easy to clean and ree