Active Ventilation
20 in. to 18 in. Reducer
$48.93

R20X18

Heating, Venting & Cooling

The Master Flow 20 in. x 18 in. Round Reducer features 26-gauge, galvanized steel construction for durability. The hemmed collar edges provide an improved fit and increased strength. Use this HVAC part to decrease or increase duct pipe in your system.

  • 26-Gauge, galvanized steel construction for durability
  • Hemmed collar edges for an improved fit and increased strength
  • Connects 20 in. pipe to 18 in. pipe in duct run
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
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