Features: Replacement sponge for sponge filter Sponge filter provide both mechanical and bio filtration, soft sponge material, traps floating debris and won't suck up your fish Easy to set up: simply install the replacement sponges into the arms holding the sponges, washable and reusable Dimension: 4.5"D x 4.5"H Package includes: 4 pieces of replacement sponge

Fish Tank Foam Replacement

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