This air stone diffuser is designed to provide efficient aeration for your fish tank. The nano technology ensures that the bubbles are fine and evenly distributed, creating a visually appealing mist. It is easy to clean and maintain, ensuring performance. for hobbyists looking to improve their aquarium's oxygen levels and overall water. Features -Color:White -Material:Nano -Size:10.00X10.00X3.00cm/3.93X3.93X1.18in -Functionality: provides a quiet environment, ideal for nighttime use without disturbing your sleep, ensuring a peaceful atmosphere -Nano bubble enhancement: increases the dissolved oxygen levels in the water, improving water and promoting the health of your fish -Low pressure efficiency: operates at low pressure, ensuring low energy consumption, making it suitable for small fish tanks in homes or offices -Uniform oxygen distribution: the air refiner function ensures even distribution of oxygen, circulation and reducing surface oil film -Visual improvement: the excellent effect enhances the aesthetic appeal and improves the environment, suitable for various ornamental fish and aquatic plants Package list: 4 x Aquarium Bubbler