Photo 1 of FUMAK Aquarium Replacement Filter Sponge, Fish Tank Filter Replacement Parts, 8 Sponge Blocks(2 x Coarse Sponge, 2 x fine Sponge, 4 x Carbonized Sponge)

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Photo 1 of FUMAK Aquarium Replacement Filter Sponge, Fish Tank Filter Replacement Parts, 8 Sponge Blocks(2 x Coarse Sponge, 2 x fine Sponge, 4 x Carbonized Sponge)Photo 2 of FUMAK Aquarium Replacement Filter Sponge, Fish Tank Filter Replacement Parts, 8 Sponge Blocks(2 x Coarse Sponge, 2 x fine Sponge, 4 x Carbonized Sponge)