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Insulated Flexible Duct, Black, 25 ft L MPN:460

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Brand: QUIETFLEX
Part #: 460
UPC: 878640004609
SKU
510-G415487394
Regular Price $100.09 Special Price $71.49

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Insulated Flexible Duct, Black, 25 ft L

QUIETFLEX Insulated Flexible Duct is a reliable solution for various applications, including residential and commercial HVAC systems. Its 4-inch nominal diameter and 25-foot length make it suitable for duct runs in tight spaces. The duct's fiberglass insulation and UV-inhibited polyethylene jacket provide excellent thermal performance and durability. With a maximum temperature rating of 200°F and a fire rating of less than 25 seconds, this duct meets strict safety standards. Its flexibility and insulation value of 6 make it an ideal choice for reducing energy costs and improving indoor air quality in a range of settings.

Top product features:

  • Insulated to maintain a consistent temperature within the duct
  • Made with fiberglass for thermal insulation and UV inhibited polyethylene jacket for durability
  • Capable of withstanding temperatures from -20 to 200 degrees Fahrenheit

Top product applications:

  • HVAC Systems: Insulated Flexible Duct is ideal for use in heating, ventilation, and air conditioning systems to reduce heat loss and gain.
  • Dryer Vents: The flexible duct can be used to connect a clothes dryer to a vent outside the home, reducing moisture and lint buildup.
  • Commercial Kitchen Exhaust: Insulated Flexible Duct can be used to connect a commercial kitchen exhaust fan to a vent outside the building, reducing noise and heat transfer.
Insulated flex duct, For Nominal Duct Diameter 4 in, Outside Diameter Not Applicable, Wall Thickness Not Applicable, Maximum Temperature Rating 200 Degrees F, Minimum Temperature Rating -20 Degrees F, Insulation Value 6, Color Black, Overall Length 25 ft, Duct Material Fiberglass, Jacket Material UV Inhibited Polyethylene, Fire Rating Less than 25 Seconds, Maximum Pressure Rating 10 in wc, Maximum Air Speed 6,000 fpm, Vapor Transmission 0.11 Percent

Additional Information

  • Country of Origin: US
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 30 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 24.00
  • Package Width: 9.00
  • Package Height: 24.00
  • Package Weight: 7.90
Product info last updated on March 22, 2026 9:20am UTC Category: Heating Equipment
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