47210" to 8" Reducer-damper, use with Model 504 (includes damper)

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  • Maximize the air and sound performance of your Broan ventilation fan or hood by using one of our wide variety of ducting accessories specifically designed for Broan ventilation products.
    • Converts 10" round duct to 8" round duct
    • Includes damper
  • 472 is rated 4.0 out of 5 by 1.
    Rated 4 out of 5 by from Does what it's designed to do Not much to say about a duct transition device. It does what it was designed to do. And the flaps appear well-secured. However, the manufacturer would do well by strategically placing a couple of those little rubber bumpers used on cabinet doors to quiet them. When the fan is turned off, the flaps drop closed, and are noisy. I have a vertical application. I ended up installing a few little cork bumpers along the edge of the flaps and that dulled the sound to a more acceptable level.
    Date published: 2013-03-28
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