the flow comes straight out. It is a wide stream and is very quiet. I just dont know if I need that much flow. I thonk they would be great for a tank full of sps corals, but they blow my shrooms and ployps all over the place.
But as far as money goes, you can build on new for about $35 and get 2400 gph. No way anyone should ever buy a tunze or seio with these things around.