Features: Enhancing water quality with the 2.5W Aquarium Oxygen pumps, which efficiently increases dissolved oxygen levels while operating at quiet noise levels below 25dB using advanced quiet technology. Simple design ABS built oxygen pumps, featuring adjustable airflows control and energy saving 2.5W operations for multiuse placement in bowls, tanks, or hydroponic systems. Great for aquarium enthusiasts maintaining small fishtanks, pet fish owners seeking quiet operations, and indoor gardeners requiring supplemental oxygenation for hydroponic setups. Perfect for bedroom aquariums requiring low noise operations, office desktop ecosystems, and residential water features where discreet, continuous oxygenation is essential. The easy maintenance design ensures year round reliability, while its rustproof ABS construction withstands humid environment for longlasting fish habitat support. Specifications: Component: ABS Product Size: As pictures shown Flows Rate: 2x1.5L/MIN Power: AC220-240V/50HZ 2.5W Package Includes: 1PC Fishtanks Oxygen pumps note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.