Found this on amazon while searching for powerheads. Thought it was interesting. Has anyone ever seen this in action? I wonder how the flow would be on it?
http://www.amazon.com/gp/aw/d/B00DE1PEHQ/ref=mp_s_a_1_13?qid=1378218211&sr=8-13&pi=SL75
http://www.amazon.com/gp/aw/d/B00DE1PEHQ/ref=mp_s_a_1_13?qid=1378218211&sr=8-13&pi=SL75