I have both of these filterson the same tank
I like the bio-wheel because these filters never get clogged
i like the aquaclear because i can use the same filter material over and over
the bio-wheels have a weird cartridge compartment where it would be hard to hold anything like floss in place so you mainly have to get the cartridges. the cartridges need to be replaced often becauser the carbon expires and the floss gets damaged very quickly. the aqauclear's sponge can just be rinsed and it is good to go for a looooong time! plus, you can put pretty much anything you want in the basket.
also, i find the bio-wheel filters make more noie than the aqauclear