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Builder's Best Wire Helix Foil Duct 4 in 25 ft

Mfg #: 110202
BSE #: 3116878

Designed for low to medium operating pressures in HVAC systems.

  • This wire helix product features steel wire support with a multi-ply design of metalized polyester and aluminum/polyester laminate.
  • UL® 181 listed and labeled as a Class 1 Air Connector and meeting NFPA (90A and 90B).
  • Tear and Puncture Resistant
  • Air tight construction and smooth inner core
  • Encapsulated wire helix does not unravel when cut to length
  • UL® sticker every 10 feet
  • Maximum velocity rating 5000 fpm
  • Not for use as dryer venting, cooking appliances or heating unless approved by the appliance manufacturer.
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Brand Builder's Best  
Size 25 ft x 4 in  
Includes 1 in pitch  
Length 25 ft  
Diameter 4 in  

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