Reef Octopus Water Blaster HY-10000W Pump, 130 watts, 2700 gph For submersible or external use Low wattageonly 125 watts. 97% efficiency. Max Water Flow: 2,700 gph Max Head: 16.5 ft Dimensions: (L x W x H): 9.5? x 5.25 x 8.5?