" The BIGGEST bi Orb is here. Twice as Large as the Original, Holding 60L (16 Gallon) If you thought the original bi Orb had everything, you can now have even more with the bi Orb 60 (60L/16 Gallon). With more space for your fish, it offers even more choice. The bi Orb 60 has our largest biological filtration & can be converted into a complete marine aquarium. The bi Orb 60 packs all these features into an aquarium that looks great in any home. The amazing optional Inte