Hey guys.  I'm not familiar with these pumps at all, but I found them in a place that sells stuff that's scratch and dent.  Neat place, got a tip that there was a load of fish supplies so I checked it out.  I should have included a few big ones, 250W and I forget the price.  Anyway, here's the smaller stuff.  They range from about 7 dollars Cdn to 12 dollars.  I think you can see the price tags a…