Round Metal Pipe Reducer & Increaser | 12" to 6" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 6" Material_Polished Aluminum + Product Details Size -

+ Product Details Size - 18"w X 10"h is the size for the duct opening measurement only

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This metal box features a 10" width and height

12" x 3" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

+ Product Details Size - 10" X 10" is the size for the duct opening measurement only

Round Metal Pipe Reducer & Increaser | 12" to 6" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 6" Material_Polished Aluminum + Product Details Size -+ Product Details Size & Compatibilty The 12" to 6" round metal pipe reducer & increaser 30 gauge is compatible with duct 12" to 6". Made in the USA Premium Quality Our galvanized ducting connector is made of high quality galvanized sheet metal. Applications Reducers transition ducts from larger to smaller sizes and ensure smooth, continuous airflow. + Product Description The HVAC Premium Round Metal Pipe Reducer & Increaser is crafted from high