Large - Create waves and flowing water with the 5 in 1 fish tank filter. Enjoy simple, convenient, and fast water pumping and exchange. Large AirOxygenation - Delicate bubbles easily dissolve in water for efficient oxygenation. The trachea must be exposed to water to absorb oxygen when the oxygenation mode is on. Stable Suction Cup - Strongly hold every corner of your fish tank with the stable suction cup on the aquarium pump filter. Silent and Power Saving - The wear-resistant and low-resistance shaft ensures silent operation, allowing for peaceful rest and undisturbedenvironment. High Efficiency Filtration - Activate the water body with rapid cultivation and provide fine anti-jamming for clean water. The multifunctional filter barrel with large capacity media can be replaced with other filter media.