So, I'm after 3 adapters, right?
> 1x 12V/2A+ for the two (.30A) fans pulling from one end of the cool tube
> 1x 12V/1A+ for the other (.30A) fan pushing from the other end of the cool tube and
> 1x 12V/1A+ for the (.30A) circulation fan (so it can run 24/7).