6 in. x 25 ft. Flexible Air Duct R4.2

Part #A17002406  |  Item #3335248  |  Manufacturer Part #17002406

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Product Details

  • Air-tight inner core - energy efficient / no fiberglass erosion into air stream
  • Encapsulated Wire Helix - No unraveling when cut to length / Quick installation
  • Smooth inner core - low friction loss / low operating cost
  • Thick Blanket of Fiberglass Insulation - Energy efficient / Excellent thermal characteristics


ASTM Specifications: ASTM C518

Diameter: 6 in

Duct Shape: Round

Inside Diameter: 6 in

Length: 25 ft

Material: [Fiberglass, Plastic, Steel]

Material Type: Polyester

Maximum Airflow: 5000

R value: R4.2

UL Listed: UL 181 Class 1