I am not certain what you need this filter for I use the Deep Blue version of the same filter. However for the money and increased filtering efficiency the AquaClear 20 is a better filter and much easier to modify to increase their effectiveness.
Thanks for your reply! I'm trying to set up a nano tank and the AquaClear filter might be slightly too big. I'll definitely keep it in mind though. Do you remember where you bought the Deep Blue filter from?