- Boyu Ceramic Rings Aquarium Filter Bio Medias
- Suitable for fresh water, salt water fish tank.
- To fully exert biological filtration capacity of law porous filter ring.
- This product is mix made of the softy active carbon and ceramic.
- Chemically stable, fully in line with the original micro-organisms living chemical environment.
- This Flexible Air Curtain is porous rubber hose is soft enough to be formed into almost any shape and create an impressive wall of bubbles in your aquarium.
- Ideal to be used for Decoration and Oxygen supply in all kinds of aquariums.
- The air curtain is in compact design and very practical, easy to use.
- Its bubble disperse equally and supply is excellent.
- Note :- Requires an air pump to work which in not included.