About This Multi-layer Filtration:Sponge for aquarium filter consists of multi-layer filtration materials, including mesh pads, honeycomb cotton and biochemical cotton. It can effectively remove impurities and floating matter from the water, making your aquarium clear Reusable and Washable:8 layer filter pad is made of high quality material with high durability and deformation resistance. It can be washed many times without deformation, and does not need to be replaced frequently Improve Water Quality:Filter floss for fish tank is designed with upgraded honeycomb shape, which is highly permeable,can filter impurities,cultivate beneficial substances,providing clean water and a safe living environment for fish and other aquatic organisms Wide Range of Applications:Aquarium filter floss not only suitable for freshwater or saltwater aquariums, but also as an aquarium accessory for hanging filters, sewage tanks, coral reef aquariums, shrimp tanks, aquaponics systems, etc Cut to Fit:Fish tank filter cotton measures approximately 15.35x11.81 inches and can be cut at will to fit a variety of filtration systems. Note: This product is vacuum-packed. After unpacking, pat it and let it stand in the sun for 12-24 hours Special Note:When the aquarium filter floss pad is used in a dry state, there is a high probability of splashing or impervious phenomenon, and the filter cotton can be used normally after being completely soaked
