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Elbow — Smart Flow Elbow

How to Specify

  1. Determine the system pressure (W.C.) required for the application
    • Residential series are rated at 12” positive and 3/4" negative.
    • Commercial series are rated at 16” positive and 1" negative.
    • Heavy-duty commercial flex is rated at 12” positive and 3” negative.
  2. Choose the type of flexible duct that meets the local building code requirement:
    Select the R-value required R-4.2, R-6.0 or R-8.0.

Other options

  • Insulation: insulated or uninsulated
  • Jacket type: black polyester or metalized.

How to Purchase

Flex Duct FAQs

Elbow — Smart Flow Elbow

  • Forms flexible duct into a 90 degree elbow
  • Helps achieve a net zero energy building
  • Eliminates flex duct kinks and restrictions
  • Easy & inexpensive to install
  • Decreases pressure drop by up to 500% over a kinked duct
  • Made from 100% recycled materials
  • Made in the USA
  • UL-2043 classified
  • One size fits 4” to 16” flex duct
  • For new  or retrofit residential & commercial construction
  • Works on all brands of flex duct