4" I.D. dryer vent hood airfoil cross sectioned 3-louver design nesting shape to discourage back drafts & critter access
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updated December 27, 2023

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4" I.D. dryer vent hood airfoil cross sectioned 3-louver design nesting shape to discourage back drafts & critter access

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The author marked this model as their own original creation.

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