The biOrb Pebble Sculptures are designed exclusively for biOrb by the aquatics décor designer, Samuel Baker, this pebble sculpture would be a natural complement to your biOrb aquarium. Pair with autumn or winter ferns for a naturalistic atmosphere or pair with colorful pink and purple kelp for a dynamic setting. With all of the various biOrb plants and décor your choices are virtually endless. Simply slide over the bubble tube in the biOrb. It is easy to fit and remove. The medium sculpture is suitable for 8 gallon / 30 liter biOrbs and larger and is 7.48 inches / 19cm tall. Size: M. Color: White.