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    BUILDER'S BEST 110244 Foil Duct, 50 ft L, Class 1 Pressure Class, Aluminum/Polyester


    SKU: 722048102446

    UL 181, Class 1 air connector label for general venting. Multiply design of metalized polyester with 1 in pitch steel wire support.


    • Designed for low to medium operating pressures in HVAC systems
    • Multi-ply design of metabolized polyester and aluminum/polyester laminate
    • Steel wire support
    • Encapsulated wire helix does not unravel when cut to length
    • Air tight construction and smooth inner core