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  • How are reviewers describing this item?
    open, quality, expected, thin and good.
  • Our engine has discovered that over 80% high quality reviews are present.
  • This product had a total of 19 reviews as of our last analysis date on Aug 18 2016.
Reviews Summary

Thanks to other reviews i expected this vent to fit my need as my opening was more like 21 1/2 x 21 1/2

To be as specific as possible: this item will fit a 21 3/8 x 21 3/8 opening exactly

Should easily work up to 21 1/2 square opening without modifications but any larger and plan a project (perhaps flashing)

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