About This

• 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 pcs of replacement sponge