Replacement Sponges for the Elite BioFoam Sponge Filters are designed to effectively trap dirt and debris in aquarium water.
- Replacement Sponges
- Harmful Wastes are Biologically Transformed Into a Relatively Harmless Substance by Aerobic Bacteria that Accumulat in the Foam
- For Elite BioFoam Sponge Filter
- 2 Pack
- Safe for Even Small Fry