1. This series of products is an aquarium internal filter that integrates oxygen, filtration, and water circulation. 2. Features an energy-saving and large flow motor for efficient performance, effectively absorbing residue at the bottom of the fish tank. 3. Utilizes a new generation of energy-saving technology for ultra-low energy consumption, small noise, and universal use in both fresh and sea water with a long service life. 4. Reasonable structure allows for easy disassembly, cleaning, and maintenance convenience.