I have 2 Koralia 1 400gph power heads that are a couple of years old. Still work. $40 for the pair.
Heres a link to what they are.
http://www.marinedepot.com/Hydor_Ko...eads-Hydor_USA-HD19101-FIPHFF-HD19101-vi.html
Pic
Heres a link to what they are.
http://www.marinedepot.com/Hydor_Ko...eads-Hydor_USA-HD19101-FIPHFF-HD19101-vi.html
Pic