ORIGINAL Venus Aqua U6601 Power Head Aquarium Power Head for all Aquariums. For 800 L/Hr. 15 Watts Pure Copper Motor 1 Meter Head ORIGINAL Venus Aqua U6601, 3 IN 1 Aquarium Power Head for all Aquariums. 800 L/Hr. 15-Watt Motor. 1 Meter Head. Pure Copper Motor. Ideal Water circulator. Oxygenator used for powering under gravel filters. WaveMaker. For Water Pumping. For Both fresh and saltwater use.