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Quietflex 4FLEX

Quietflex 4FLEX Flexible Air Duct, 4 Inch, 25 ft L, Polyethylene, R 4.2 Insulation, Black
SKU: 29293
Manufacturer part number: 4FLEX

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Quietflex Flexible Air Duct, 4 Inch, 25 ft Length, R 4.2 Insulation, -20 to 200 deg F Intermittent, -20 to 180 deg F Continuous, Polyethylene, Black

  • Johns Manville Formaldehyde-free fiber glass insulation
  • Galvanized metal core reinforcing
  • Oversized core to fit on collars and register boxes
  • Flame spread: less than 25, smoke developed: less than 50
  • Class 1 rated duct assembly
  • Weather-resistant packaging
  • Greenguard® certified insulated products

Standard/Approvals: UL 181,HUD/FHA standards 515.2.1 and NFPA standards 90A and 90B

Products specifications
Attribute nameAttribute value
ColorBlack
Insulation TypeR 4.2
Length25 ft
ManufacturerQuietflex Manufacturing
MaterialPolyethylene
Nominal Size4 Inch