The biOrb Coral Sculptures are designed exclusively for biOrb by the aquatics décor designer, Samuel Baker, this branching coral sculpture with its pale pink and opalescent accents would be a lovely addition to your biOrb. Simply slide over the bubble tube in the biOrb. It is easy to fit and remove. The small sculpture is suitable for 4 gallon / 15 liter biOrbs and is 4.72 inches / 12cm tall. Size: S.