Or a marineland power pro 60 check it out at there web site and an AC 200 put three sponges in the AC that gives you mechanical biological and mechanical(you can take out one of the sponges and put in what ever you like).
Personally, I would go with the Aqua Clears. The Penguins are kinda noisy with the bio-wheels. I have a P170 and a P330 and the water agitation is kinda noisy and annoying. If I had to choose again, I would go with the ACs.
420....what would you recommend for a 55 gal. i need 2 1 on each side of the tank and i want maximum filterage and i want quietness but effecencey. O yeah and i want it to be easily manageable.
why do you want 2 filters on a 55?? I would recommend a single canister. with the intake on one side and the return on the other.
If your looking for extra water flow than get a power head to suppliment the filter.