Double-Wall Increasers

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Double-Wall Increasers

4-inch Diameter

Double-Wall Increasers

  • For gas-fueled appliance venting
  • UL Listed 441 (470°)
  • Double-wall; air insulated
  • Alumiunum inner; galvanized steel outer
  • Snap-Lock™ Design
  • Made in the U.S.A.

Part #DescriptionCtn QtyLbs/CtnList Price/EachList Price/Ctn
4x5DW Increaser, 4" to 5" 42----
4x6DW Increaser, 4" to 6"43----
4x7DW Increaser, 4" to 7"43----
4x8DW Increaser, 4" to 8"44----
4X10DW Increaser, 4" to 10"1 ----
4X12DW Increaser, 4" to 12"1 ----
4X14DW Increaser, 4" to 14"1 ----
4X16DW Increaser, 4" to 16"1 ----
4X18DW Increaser, 4" to 18"1 ----
4X24DW Increaser, 4" to 24"1 ----
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