Aluminum Flex Duct - Non-insulated Multi Purpose Heavy Duty 3-ply (4 Inch Dia By 8 Foot Length) Reviewhttp://tinyurl.com/pdgyrn5 Aluminum Flex Duct - Non-insulated Multi Purpose Heavy Duty 3-ply (4 Inch Dia By 8 Foot Length) Multipurpose; Used in Various Heating, Ventilating or Exhausting ApplicationsHeavy Duty 3 Ply Aluminum Foil Laminate (Puncture and Tear Resistant)4 Inch Diameter by 8 Foot LengthNon-InsulatedMade In The USA
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