1. Unique Design: The round curled mouth design can effectively increase the contact area between gas and water, making gases such as carbon dioxide disperse more evenly in the water and enhancing the gas dissolution efficiency. 2. High - Quality Material: Made of durable and environmentally friendly materials, it is corrosion - resistant and aging - resistant. It can be used stably for a long time without worrying about the influence of material problems on the use effect or pollution of the water quality in the aquarium. 3.Easy Installation: With a simple structure, it is easy to install in the appropriate position of the aquarium. Both novice and experienced aquarium enthusiasts can operate it easily, creating a good gas diffusion environment for the aquarium.