ITEM NAME:Black Foam Pond Fish Tank Aquarium Sponge Biochemical Filter Filtration Pad #aucsearchbutton #aucsearchbutton:hover { cursor: pointer;.Thickening Biochemical Filter Sponge, tough and durable. This Fish Tank Biochemical Filter Sponge can be used in sea water tank, fresh water tank, aqua-plant tank. Material: Sponge. Strong filterability, can stable water quality and reduce fish died.
