"Bring your aquarium to life with this awesome 3D-printed Volcano Bubbler! Made from safe PLA plastic, this bubbler has a cool design with openings for a 6cm hose and air stone, making it perfect for creating bubbles in your fish tank. It even has extra holes on the bottom to add weights so it stays in place. Measuring about 5.1 inches by 5.1 inches by 3 inches, it fits great in most tanks. Add a fun and unique touch to your aquarium with this volcano air stone bubbler and watch your fish swim through the bubbles!