I've used the MaxxAir vents with good results. It's possible that the other vent is a 'copy' possibly made by the same manufacturer. Important to consider whether your vent is a manual open or electric open. These covers will fit just about every manual-opening vent. If electric - measure the height of the cover when open and get a vent cover to match that height. Also note that there are vent covers that perform a bit better in the rain (more downward facing vent face) and may be more suitable in your weather environment.
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Steve
2015 Itasca Ellipse QD | 2014 Jeep Grand Cherokee
I’ve got two Maxxair vent covers. Both manual and electric vent hoods fit under them. Product is tough and durable, and they’ve resisted tree branches, hail and snow loads very well. Can’t comment on look alike, but be wary of much cheaper imported imitations, which are likely to be made of inferior materials, and may not have been molded accurately.
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Jim. Former, 2021b Micro Minnie 2108DS
Medically grounded, but still lurking the Micro Minnie Discussions
Linear Mode
