4″ x 25′ F114 Insulated Flex Duct (Black Jacket)
  • June 23, 2020 4:14 am
  • Bakersfield, California
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Designed for high-pressure applications, air duct connectors utilize either a multi-ply metalized/polyester laminate encapsulating a high carbon steel wire helix or corrugated aluminum for maximum strength and durability.


  • Brand : Hart and Cooley


  • Black polyethylene jacket
  • Double-ply black polyester core
  • R-4.2 formaldehyde-free insulation
  • UL listed
  • Boxed or bagged (FB series)