- Provides biological and chemical filtration and increase the oxygen solubility in aquarium and fish tank. Dense honeycomb shape makes it effective to avoid residue and reduce the death rate of fish. You can cut the size as you need. Can be used again after cleaning.
Product Name : Biochemical Filter Sponge;Material : Sponge
Color : Black
Size : 9.8 x 8.5cm/ 3.9″ x 3.3″(H*D)
Weight : 25g
Package Content : 1 x Biochemical Filter Sponge
