Deflecto Metallic Duct, Multi Layer, Super Flexible, 4" x 20', Silver (F0420B/2)
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<b>[Product Information]</b><br>
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<li>4" x 20' 5-ply flexible aluminum duct</li>
<li>Designed to replace vinyl ducts, fire retardant with no exposed polyester</li>
<li>The flexible aluminum duct is easy to install</li>
<li>Fire resistant, be sure to clean ducts over time</li>
<li>Operating temperature range 0 - 265 degrees fahrenheit</li>
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