Round Metal Pipe Reducer & Increaser | 5" to 4" or 4" to 5 HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector Fixed Blades + Product Details Size -

+ Product Details Size - 8"w X 36"h X 2"d (for duct opening measurement only)

Actual Filter Size – 24 3/4"w x 27 3/4" x 1"

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Actual Filter Size – 29 3/4"w x 19 3/4" x 1"

+ Product Details Size - 36"w X 16"h X 2"d (for duct opening measurement only)

Round Metal Pipe Reducer & Increaser | 5" to 4" or 4" to 5 HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector Fixed Blades + Product Details Size -+ Product Details Size & Compatibilty The 5" to 4" round metal pipe reducer & increaser 30 gauge is compatible with duct 5" to 4". 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