Ocean-clear canisters have more options than the nu-clear canisters(like the bead filter canister, and the uv canister) and they cost less than the nu-clear canisters, but the nu-clear canisters are more user friendly because of the way you close and lock the canister.
Oh yea and I never tried lifegard filters because I heard it was a pita to get the filter in and out of the filter body.
They work best if you have a separate filtration room. They are top loading so would not work under a stand
sent from my DROID RAZR MAXX