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Deflecto Duct Increaser and Reducer, Plastic Inline Adapter, White, 4” to 3” (IRB43)

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Product description

  • Designed to transition between 4" and 3" diameter ducts
  • Simply slip the ducts over the increaser/reducer, tightening in place with clamps (not included)
  • Durable polypropylene construction has a melting point of approximately 325 degrees
  • Connects a 4 inch dryer exhaust hood to a 3 inch duct
  • Ideal for bathroom fan installations

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