The nano bubble stone air diffuser is for creating a tranquil underwater atmosphere. Its fine mist of bubbles not only looks beautiful but also helps to increase oxygen levels in the water, promoting a healthier environment for your fish. Easy to install, it fits effortlessly into any aquarium setup, making it a must-have for fish enthusiasts. Features -Color:White -Material:Nano -Size:10.00X10.00X3.00cm/3.93X3.93X1.18in -Silent operation: the design ensures a peaceful environment, making it for use during the night without interrupting your sleep - bubbles: increases the oxygen content in the water, improving water and supporting the healthy growth of your fish -Energy efficient: operates at low pressure, ensuring minimal energy consumption, ideal for small home or office aquariums -Oxygen distribution: the air refiner function ensures even oxygen distribution, circulation and reducing surface oil film -Aesthetic enhancement: the excellent effect not only looks beautiful but also improves the environment inside the tank, for ornamental fish and plants Package list: 2 x Aquarium Bubbler