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

Part #FGKMU25  |  Item #794826  |  Manufacturer Part #0545-0600-0001

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Product Details

  • Thermaflex® thermally insulated for low and medium pressure heating and cooling systems
  • CPE core expands over fittings, does not unravel
  • Core is permanently bonded to coated spring Steel wire helix supporting blanket of Fiber insulation, and vapor barrier provide even air flow and double air seal
  • Specifications: diameter - 4" to 20" I.D.
  • Pressure rating: WG
  • Velocity: 5,000 fpm
  • R value: R-4.2


ASTM Specifications: ASTM C518

Diameter: 6 in

Duct Shape: Round

Inside Diameter: 6 in

Length: 25 ft

Material: [Plastic, Steel]

Material Type: Polyethylene

Maximum Airflow: 5000

R value: R4.2

Type: FGKM25

UL Listed: Yes