DT4WFlex Duct, 4", Insulated (25')

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  • Maximize the air and sound performance of your BROAN ventilation fan by using the proper ducting for the job.
    • For 4" round
    • 25' standard length
  • cUL ListedNo
    ETL ListedN/A
    HVI CertifiedNo
    UL ListingNo
  • What is the R-value of the insulation?

    Asked by: RapidRealm
    Thank you for your question on the model DT4W insulated flexible duct. The R value is approximately 4.2.
    Answered by: BroanCustomerService
    Date published: 2015-04-10
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