Fits but you need glue to keep it in place. Pretty expensive for what you get. They are obviously very proud of this product considering how much they get for it and what it is. Well what else can you do. It gets the job done without resorting to another weatherproof gasket to seal the vent to the frame. If I had more time to search I would try to find something else, better quality and for less money. There are high quality automotive rubber products that will do the same job for less. I just have to look in the right place.
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