Abnaok Aquarium Shell Decoration, Tropical Clam Live-Action Ornament, For Fish Tank Aerating, Aquarium Oxygenated – Shell Pearl Air Stone Bubble Decoration

Made of non-toxic harmless resin Durable nature safe and eco-friendly. When you connect the air pump tubeit can make air bubbleyour fish can have fun with the air bubble.Air forces the giant clam to open revealing the pearl inside. Change your aquarium into a beautiful scenerycreate a natural and natural living environment. When it is connected to oxygen mercury shell will open and close. Pressure control valve recommended.