Just a thought, but would you be better installing something like the MaxAir covers and leaving the vent lids as they are? What would be the price difference? I love the MAxAir as I leave my lids open all the time now with no fear of water getting in.
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2010 Cougar 30RKS
2015 GMC Sierra Max Trailer
"Drinks for 6, Dinner for 4, Sleeps 2"
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