OASE Waterfall Pumps are synchoronous magnetic that are specifically designed to create falls in Water Garden and Pond-free applications. OASE Waterfall Pumps are reliable, energy efficient pumps that excel in hard water conditions. Grounding plate eliminates any chance of stray current entering water for unparalled safety. Asynchronous 6600 and 8000 feature replaceable corrosion resistant rotors. Self-cooling, debris flushing rotor chambers keep pumps from overheating in the most demanding applications. Waterfall Pump 6600 and 8000 can be plumbed for inline applications. Tool-less volute removal makes maintenance fast and easy. The Waterfall Pump 6600 has 120 volts, 3.8 amps and a 2" MIPT. It has a 20' power cord and dimensions of 12"L x 6.75"W x 8.5"H and a 1.5"-2" step outlet fitting. The 6600 has a max flow of 6600 GPH and has a 3-year warranty.