Tyd-marine Skimmer

[CF_18driver]

Hey picked one up at my Local Fish store, cant find much on it. Anybody know anything about these? Good? Bad? Impartial? I know it is a Venturi Skimmer how big of a pump should I use?

Link to it:
http://www.tydpoolmarine.com/vskimmers.htm

CF-18 Driver