Round Metal Pipe Reducer & Increaser | 12" to 10" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 10" Air Deflector + Product Details Size –

+ Product Details Size – 14" X 4" is the opening (vent hole) dimension - actual size is approx

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 6" OR 6" X 18" duct opening (measured at the opening)

Round Metal Pipe Reducer & Increaser | 12" to 10" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 10" Air Deflector + Product Details Size –+ Product Details Size & Compatibilty The 12" to 10" round metal pipe reducer & increaser 30 gauge is compatible with duct 12" to 10". 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