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 can cut the size as you need. Can be used again after cleaning.
Biochemical Filter Sponge; Material : Sponge
Color : Black
Size : 7.5 x 6.3cm/3″ x 2.5″(H*D)
Weight : 5g
1 x Biochemical Filter Sponges