50*50cm Aquarium Fish Tank Filter Sponge Biochemical Cotton Water Filtration Accessories Bio-sponge Swimming Pools

Made up with import Biochemical Rattan Material. More than 5 Years Service Life Time. Decomposition of the waste and feed residue in the aquarium fish pond fish farm. Suitable for every salt water and fresh water tanks. Product Descriptions: Made up with import Biochemical Rattan Material. More than 5 Years Service Life Time. Washable and Durable. Decomposition of the waste and feed residue in the aquarium fish pond fish farm. Suitable for every salt water and fresh water tanks. Improving water quality as it is great breeding bed for nitrifying bacteria. Can cut by using utility knife. Size: 50X50X4 CM 50X40X4 CM. Package included: 1 filter cotton