Aquaneat Aquarium Sponge Filter Replacement, Fish Tank Foam Replacement,4 Packs (Small Up To 10Gal)

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:
2'D x 2'H
Package includes:
4 pieces of replacement sponge