4" Flexible Ducting 25 Feet Per Box ( Uninsulated Ducting)
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4" Uninsulated Flexible Ducting Description: Uninsulated Flexible Duct, Diameter 8 Inches, High Temperature 180 Degrees Fahrenheit, Low Temperature -20 Degrees Fahrenheit.
This Flexible Ducting is inteneded for indoor use only. Do not install this product where exposure to direct or indirect sunlight can occur.
Installations where sunlight enters through turbines vents, skylights, canopy windows, etc. should be avoided.
UL 181, NFPA 90A & 90B, SBCC, ICBO, BOCA, HUD 515-2.1 (B), Cities of Chicago, New York, San Francisco, County of Dade (Florida).Always check with your local building department for the proper installations codes. 05025-4, CAR3F333.