100x50x2cmBlack 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