100x50x2cm Black Aquarium Biochemical Filter Foam Cotton Sponge Fish Tank Pond

Specifications:Color: BlackMaterial: Biochemical CottonHole: Micropore, Mesopore, MacroporeSize: (L)X(W)X(H) 100X50X2cmFeatures– Excellent water permeability.- Can be used again after cleaning.- Can be cut any sizes as your needed.- Suitable for using in freshwater and marine water.- Cultivate the nitrifying bacteria for biological filtration.- Offers good biochemical and physical filtration effects.Micropore:It can be used in dense, medium and big holes.It is suitable for fish tank and fish pond filtration.Mainly used for physical filtration and biochemical filtration.Mesopore:It is suitable for fish tank and fish pond filtration.Mainly used for physical filtration and biochemical filtration.Use collocation to achieve better effects: fish tank with cotton wool, fish pond with vine cotton.Macropore:It is suitable for fish tank and fish pond filtration.Mainly used for physical filtration and biochemical filtration.Especially suitable for the primary filtration environment with dirty water quality.Use collocation to achieve better effects: fish tank with cotton wool, fish pond with vine cotton.Package included: 1 x Filter Sponge