Description Are you looking for filter media for aquarium?This aquarium filter media is made of stable material for safe and practical to use. It can be used in seawater tank, fresh water tank, aquatic plant tank. And its strong filter ability and high density design can stable water quality and reduce fish died. Features - Color: Sky-blue -Material: Biogels, heterogeneous polymers - Size: 1.00X1.00X1.00cm/0.39X0.39X0.39in - Reliablematerial filter media does not pollute water and can keep water clean, no deformation, good effect. - Effective to avoid residue and reduce the death rate of fish and chemical filtration and increase the oxygen solubility. - Thismediais used to filter water in aquariums to create a happy environment for your fish. - The filtermediahas excellent water permeability, with good filtering effect, evenly distributed. - This filtermediacan help youcreateclear and healthy water quality for fish farming. Packing list1 x Bag of Aquarium Filter