Photo 1 of AQUANEAT 2 Pack Aquarium Bio Sponge Filter Media Pad Cut-to-Size Open Cell Foam Sheet for Fish Tank Sump (9" x 9" x 0.5") Black

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Photo 1 of AQUANEAT 2 Pack Aquarium Bio Sponge Filter Media Pad Cut-to-Size Open Cell Foam Sheet for Fish Tank Sump (9" x 9" x 0.5") BlackPhoto 2 of AQUANEAT 2 Pack Aquarium Bio Sponge Filter Media Pad Cut-to-Size Open Cell Foam Sheet for Fish Tank Sump (9" x 9" x 0.5") Black