Rain circulation design: follows the natural rain cycle with 8 water outlets for even water flow and ultra-quiet performance; flow rate 600L/h, energy efficient with low power consumption Ultra-fine oxygenation: delivers oxygen from outside the aquarium through an external atomizer, increasing oxygen levels without producing air bubbles Chemical filtration: built-in bio-chemical sponge filters contaminants, fish waste, and food residue, improving water quality and reducing bacteria and microorganisms 3-in-1 functionality: combines filtration, oxygenation, and water circulation in one efficient system, eliminating the need for additional equipment Powerful performance: compact filter designed for medium-sized aquariums, offering reliable filtration, oxygen supply, and ecological water flow Filtration: high-density chemical sponge effectively traps debris and impurities to enhance water clarity and quality Oxygen supply: quietly infuses oxygen into the water via external atomization, ensuring a peaceful environment Ecological circulation: mimics natural rainfall patterns with 8 evenly distributed outlets for smooth and silent water movement Energy efficient: delivers a flow rate of 600L/h with only 5W power consumption, providing high efficiency and low energy loss Features: easy to install, simple to clean and maintain, operates quietly, and built for long-term durability Specifications: internal filter length 30cm, external water supply unit 30cm, power 5W, flow rate 600L/h, ultra-quiet operation Compatible aquarium size: 1050 liters Voltage: AC 220240V Note: Measurements are manually taken; slight variations of 13cm may occur. Color may vary slightly due to lighting and screen settings. Actual product may differ slightly from images.