- Enhance oxygen levels: The high-efficiency small air stone produces refined bubbles, significantly increasing the solubility of oxygen in your aquarium water. - Purify and clarify: Embedded activated carbon works effectively to deodorize and purify the water, resulting in a cleaner and clearer aquatic environment. - Dual-layer filtration: The filter cotton core features a double-layer replacement design that efficiently absorbs remaining impurities, ensuring optimal water quality. - Efficient water flow: The pneumatic filter utilizes an air motor to create a steady water flow, providing comprehensive filtering performance. - Foster healthy bacteria: The system supports the cultivation of nitrifying bacteria, promoting a continuous clean ecosystem essential for the well-being of your fish. - Versatile compatibility: This auxiliary filter is suitable for both standard fish tanks and bare bottom tanks, making it a perfect addition for various setups. Use scenarios: 1. Ideal for aquarists looking to maintain optimal oxygen levels in heavily stocked tanks. 2. Perfect for keeping fish in pristine water conditions while supporting beneficial bacteria growth for a balanced tank ecosystem. 3. Effective for users who want to enhance water clarity and overall quality in both freshwater and saltwater environments.