Description: 1>. Quiet 220v 3w 5w Aquarium Air Pump Fish Tank Mini Air Compressor. 2>. 100% new brand and high quality. Specification: Model: RS290; RS390 Input: AC 220V/ 50Hz (Attention:not suit for United States,Canada ,Japan,Mexico, Brazil etc. ) Power: 3W (Single Outlet), 5W (Double Outlet) Flow Rate: 1.2L / min, 4.5L / min Size: 10.5x5x4.5cm; 10.5x7.5x5cm Features: 1>. Increase the oxygen in the fish tank. 2>. With low power consumption, high efficiency, energy saving, long life, stable performance. Package Includes: 1pc x Oxygen Pump Note: 1>. Please allow minor error due to manual measurement. 2>. Due to the difference between different monitors, the picture may not reflect the actual color of the item. If you only need the Air Stone Check Valve Tube Accessories, just click this link Description: 1>. Quiet 220v 3w 5w Aquarium Air Pump Fish Tank Mini Air Compressor. 2>. 100% new brand and high quality. Specification: Model: RS290; RS390 Input: AC 220V/ 50Hz (Attention:not suit for United States,Canada ,Japan,Mexico, Brazil etc. ) Power: 3W (Single Outlet), 5W (Double Outlet) Flow Rate: 1.2L / min, 4.5L / min Size: 10.5x5x4.5cm; 10.5x7.5x5cm Features: 1>. Increase the oxygen in the fish tank. 2>. With low power consumption, high efficiency, energy saving, long life, stable performance. Package Includes: 1pc x Oxygen Pump Note: 1>. Please allow minor error due to manual measurement. 2>. Due to the difference between different monitors, the picture may not reflect the actual color of the item.