AQQA Aquarium Electric Power Sponge Filter
AQQA Aquarium Electric Power Sponge Filter are precisely what the name implies, a sponge through which the aquarium water is drawn. This provides mechanical filtration, and once the sponge has matured and grown bacterial colonies, it provides biological filtration as well. This allows them to be adapted to a variety of filtration needs. Filter come with Bio Media and 2 extra Sponge.