Reliable and powerful aquarium water pumps. Features adjustable water flow control and is energy efficient. Can be used dry mounted as well as underwater with a max flow rate of 2800 LPH (616 GPH). The OptiMax pumps are perfect for efficient water circulation or for operating an aquarium filter. All OptiMax pumps are suitable for Fresh and Salt water aquariums. Model : 3000 Max Flow Rate : 2800 LPH (616 GPH) Max head Height : 3m Power Consumption : 55 Watts Set up Type : Underwater and dry install Dimensions (LxWxH) : 140 x 135 x 94mm.