LIMITED SUPPLY Streams of bubbles have a dramatic soothing effect.It can be the focal point of a room and enjoyed by all. These bubble panels are made with durable cell cast acrylic for superb clarity. The bubble panel's design makes it easy to maintain for years of enjoyment and compliments any room or décor. Bubbles ascend the wall and the illuminated bubbles offer a great tracking aid. Holds 8.5 gallons of water.