Features: Effective in avoiding residue and reducing fish kill rate and chemical filtration. It can increase the solubility of oxygen in oxygen aquarium and aquarium. Filter and decompose dirt. Made of super dense thickened cotton with good water absorption and high permeability. It is easy to clean and you can use aquarium filters for fish and reefs again and again. Our washable and reusable filters provide good mechanical filtration and are ideal for fish tanks and water cleaning supplies. It is completely safe for all fish and other aquatic species. Thickened and dense, soft and elastic. Features: Cotton White color Size: 30 cm * 6 m, 30 cm * 3m, 12cm * 6m, 12cm * 3m (optional) Package size: 20 * 12 * 8cm / 7.87 * 4.72 * 3.15in< br/> Package Weight: 200g Packing List: 1 * Roll of Filter Media
