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Title: Broken Supports and Noisy Operation
Review: The production quality of this fan is terrible! Two support spokes in the back of the fan case were broken upon delivery and the metal parts seem to have been mounted incorrectly. Because the fan's case is defective the fan vibrates and its blades strike the sides of the duct. All this shaking and scraping produces "nails across a chalkboard" noise. Even an attempted fix with cyanoacrylate glue hasn't eliminated the whine from this pesky fan. The roll-up cord hasn't been much help to me either. The speed control works well--I can change the whine from hellish to just annoying.
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