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 tube it can make air bubble your fish can have fun with the air bubbleAir forces the giant clam to open revealing the pearl inside change your aquarium into a beautiful scenery create a natural and natural living environment When it is connected to oxygen mercury shell will open and close Pressure control valve recommended