Forum Discussion
wopachop
May 09, 2020Explorer
Thanks everyone will hop on the roof tomorrow. My intake duct is 18"x5" and its blocked by the frame. My quick estimation is that its 90 square inches and 37.5 is blocked.
So a total of 52.5 square inches. The instructions are saying minimum size is 11x6.5 which is 71.5. So im way below the minimum.
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So a total of 52.5 square inches. The instructions are saying minimum size is 11x6.5 which is 71.5. So im way below the minimum.
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