This is it:
http://www.aquacave.com/euro-reef-rc500-recirculatingbr-protein-skimmer-wpump-1331.html
It has never been used. It got cracked in shipping, but was fixed with acrylic weld. It holds water just fine with no leaks. It comes with 3 pumps. 2 for recirculation and one to feed. Can also be plumbed into your overflow if you don't want to use the feed pump. Rated for 500+ gallons.
$450