Plastic Duct Increaser/Reducer

  • SKU: P-IRB43
  • Use with 3 in. and 4 in. rachet or worm gear clamps to connect duct (sold seperately)
  • Connects 3 in. duct to 4 in. duct quickly, easily
  • Seal joined edges with duct tape for increased effeciency
  • Ideal for bathroom fan exhaust applications
    • Description

      The Duct Increaser/Reducer connects 3 in. – 4 in. ducts together.

      Where To Buy

    • Details
      Duct Type Duct Accessories
      Item Height 3.375
      Item Length (Depth) 4.0
      Item Weight (lbs) 0.133
      Item Width 4.0
      Material Plastic
      Piece Height 3.375
      Piece Length (Depth) 4.0
      Piece Weight (lbs) 0.133
      Piece Width 4.0
      Product Category Duct Accessories
      Venting Type Dryer Venting