I've run a similar looking one that had the brand name "SunSun" which I found at a LFS in Calgary. Looks so similar makes me think they are the same but who knows, my guess is it's probably some OEM out of China sold under multiple consumer brands.
Never noticed any noise beyond that which you would expect from a powerhead.
Longevity - the only issue I did have with them is that the impeller shaft would start to corrode out after a while. I got well over a year on them. The first one I ended up tossing but with the second one, I was in a bit of a bind and needing some flow in one of my tanks so I went and bought some titanium bike spokes, cut the length I needed using a Dremel and diamond cut-off disk. That was almost a year ago, the thing is still pushing water.
So to me it seems whatever grade of stainless steel they are using for the impeller shafts is not the best choice for SW tanks but other than that they seem to do the job.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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