The powerful NEWA Maxi MP multi-use submersible pump and power head is built with robustness to withstand even the most extreme conditions. Crafted from Italian materials, it's perfect for wave makers, protein skimmers, calcium reactors, nano aquariums, under gravel filters and hydroponics. With features like a rotational output, sealed intake, universal intake tube, adjustable hanger and cord guide, adjustable venturi with silencer, triple suction cups and a large intake screen, this pump is a must-have! Max Height of 29" for the MP400 (106 GPH, 5W), 53" for MP600 (160 GPH, 7.5W), 46" for MP900 (230 GPH, 8.5W) and 69" for MP1200 (295 GPH, 20W). Replaces Cobalt MJ1200, MJ900, MJ600 and MJ400. For Reactor users: MP is ideal for aquariums with high calcium