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    Lambro 302L Semi-Rigid Duct, 4 in, 8 ft L, Aluminum


    SKU: 039899003021

    Semi-rigid aluminum duct is ideal for applications where building codes require use of all aluminum duct. The duct is totally non-combustible with a maximum operating temperature of 400 deg F.


    • Continuous airtight lock seam duct
    • Non-combustible