Round Metal Pipe Reducer & Increaser | 7" to 5" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 5" Condensate Pump Accessories + Product Details Size -

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

1/2" White insulation will give you a good R value of 3

Easy Installation – Complete set of sponge gasket and mounting frame included

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Round Metal Pipe Reducer & Increaser | 7" to 5" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 5" Condensate Pump Accessories + Product Details Size -+ Product Details Size & Compatibilty The 7" to 5" round metal pipe reducer & increaser 30 gauge is compatible with duct 7" to 5". 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 quality