Features: 100% Brand New and High Quality Filter and increase oxygen at the same time. High power ouput comes from low power input. Suitable for both fresh and marine water. Attached filter cartridge with multiple filter medias. Excellent filtration performance. Perform mechanical, biological and chemical filtration. Available for extra filter cartridge for better performance. Good permeability, easy to clean and maintain. Adhere smooth surface with suction cup. Silent operation and long lasting. Specifications: Color:black Size:approx. 11.5x8x3.3cm Power: 2W Qmax: 200L/H Hmax: 0.45m