✅ Made of dense thickened cotton with great water absorption and high permeability, filter and decompose dirt.
✅ This bulk felt filter pad can easily be cut to fit your filter, can be cut any size as your needs by yourself.
✅ Effective to avoid residue, and reduce death rate of fish and filtration, increase the oxygen solubility in the aquarium and fish tank.
✅ This tank filter material is suitablet for indoor ponds or small outdoor ponds.
✅ Can be repeated washing rather goes badly, durable to use, to ensure your aquarium water stays crystal clear.