The sump is one that came with the tank when I bought it. However it is not much better than a DIY, ther is no bubble trap, just a chamber for bio-balls and a spot for a sponge. I would have to actually look at the pump to give you a brand, nothing special and about 600Gph. The pump and tank are about 2 years old. And the Return is actually through to overflow box with a 3/4" bulkhead
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