This product requires certification to purchase.

4 in. x 25 ft. Black R4.2 Flexible Air Duct

Flexible Technologies

Thermaflex® G-KM 4 in. x 25 ft. Black R4.2 Flexible Air Duct

  • Fast #
  • Part #FGKMP25
  • Item #794765
  • Manufacturer Part #0545-0400-0001
5 out of 5 Customer Rating
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Flexible Technologies Black 25 ft. Polyethylene R4.2 Insulated Flexible Air Duct
Flexible Technologies Black 25 ft. Polyethylene R4.2 Insulated Flexible Air Duct
Flexible Technologies

Thermaflex® G-KM 4 in. x 25 ft. Black R4.2 Flexible Air Duct

  • Fast #
  • Part #FGKMP25
  • Item #794765
  • Manufacturer Part #0545-0400-0001
5 out of 5 Customer Rating
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Package Quantity Info:

Each: 1 Inner Pack: 24
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Product Details

Product Description
  • 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
  • Requires Certification
Dimensions & Measurements
Diameter
4 in
Length
25 ft
Maximum Airflow
5000
Characteristics & Features
Color Finish Category
Blacks
Color Finish Name
Black
Insulated
Yes
Material
Fiberglass, Plastic, Steel
Material Type
Polyethylene
R value
R4.2
Vent Duct Shape
Round
Warranty & Product Information
ASTM
ASTM C518
UL Listed
Yes