Quietflex Manufacturing

Series 40 6 in. x 25 ft. Polyester R4.2 Rip-Stop Flexible Air Duct

Part #Q640  |  Manufacturer Part #640

Diameter

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Product Details

  • Quietflex Rip-Stop Silver Jacket Flex Duct has a metallic, polyester-vapor barrier with a special “rip-stop” scrim reinforcement
  • Johns Manville Formaldehyde-free™ fiber glass insulation
  • Greenguard® Certified insulated products
  • Galvanized metal core reinforcing
  • Oversized core to fit on collars and register boxes
  • Weather-resistant packaging
  • 12.5’, 25’ and 50’ and custom lengths available
  • HUD/FHA standards 515.2.1, Paragraph B
  • NFPA standards 90A and 90B
  • BOCA, City of Chicago, meets most federal, state and local codes and standards

Specifications

ASTM Specifications: ASTM C518

Collection: Series 40

Diameter: 6 in

Duct Shape: Round

Inside Diameter: 6 in

Length: 25 ft

Material: Plastic, Steel

Material Type: Polyester

Maximum Airflow: 6000

R value: R4.2

Type: Q640

UL Listed: UL 181 Class 1