We don’t do anything with ours. I’ll have to see if we have the 4” extender but I’m pretty sure we do. Been through four or five hurricanes with no problems.
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Why do people insist on making claims without looking them up first, do they really think no one will check? Proof by emphatic assertion rarely works.
Confirmation bias is real; I can find any number of articles that say so.
Victor, NY - Randallstown, MD - Yakima, WA - Stevensville, MD - Village of Hillsborough
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