Well, the others don't work unless the wind is blowing so choose your poison.
I considered these when deciding what to replace the standard vents on my ACE a few months ago. I went with the cyclone vents because they worked so well on my last TT and Camping World had them on sale with a 2 for 1 deal.
Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad
2020 Chevy Colorado Z71 Trail Runner Alternate Toad