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Seal — Smart Filter Seal

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

Seal — Smart Filter Seal

  • Seals furance filter opening
  • 2-piece overlapping construction
  • Improves indoor air quality
  • Saves energy
  • Fits up to 25” opening
  • Residental or Commercial construction