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Triplex and Multiplex Duct Plugs

We carry a few of the most common sizes of multiplex duct plugs, but there are hundreds of options available if you do not see what you need. Contact us today for any custom configuration you may need.
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  1. 5" TRIPLEX PLUG FOR 1-1/2" INNERDUCTS
    CA7350-165
    5" Triplex Plug (1.63" - 1.67)
    $44.29
  2. 8" Triplex Plug (2.38" - 2.42")
    CA7380-240
    8" Triplex Plug (2.38" - 2.42")
    $145.46
  3. 8" Triplex Plug (2.43" - 2.47")
    CA7380-245
    8" Triplex Plug (2.43" - 2.47")
    $145.46
  4. 8" Triplex Plug (2.48" - 2.52")
    CA7380-250
    8" Triplex Plug (2.48" - 2.52")
    $145.46
  5. 8" Triplex Plug (2.53" - 2.57")
    CA7380-255
    8" Triplex Plug (2.53" - 2.57")
    $145.46
  6. 8" Triplex Plug (2.58" - 2.62")
    CA7380-260
    8" Triplex Plug (2.58" - 2.62")
    $145.46
  7. 8" Triplex Plug (2.63" - 2.67")
    CA7380-265
    8" Triplex Plug (2.63" - 2.67")
    $145.46
  8. 8" Triplex Plug (2.68" - 2.72")
    CA7380-270
    8" Triplex Plug (2.68" - 2.72")
    $145.46
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