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Builders Best 110825 Wmf621 Foil Duct UL181 (3 inches x 25 feet)
Availability:
In Stock
Ships same day if ordered by 12 pm
- $48.76
- $48.76
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Product Description
Builders Best 110825 is a WMF621 wire-helix foil duct for HVAC systems, rated for low to medium operating pressures and listed to UL 181 as a Class 1 air connector. The duct features an encapsulated steel wire helix, multi-ply aluminum/polyester laminate construction, and a smooth inner core for air-tight runs. It is intended for HVAC air distribution and is not for venting cooking, heating, or clothes-drying appliances unless approved by the appliance manufacturer.
- UL 181 Class 1 air connector label with UL sticker every 10 feet
- Encapsulated steel wire helix with tear- and puncture-resistant multi-ply construction
- Air-tight design with smooth inner core and steel wire support; maximum velocity rating 5000 fpm
Product Highlights
25-foot, 3-inch diameter UL181-listed wire-helix foil duct for low to medium pressure HVAC air distribution
Product Information
Standard Information
- Brand: BUILDERS BEST
- Manufacturer Part Number: 110825
Technical Specifications
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